Drugs Similar to CARBIDOPA

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow No. 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Chemical Structure

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Carbidopa, USP is an inhibitor of aromatic amino acid decarboxylation. It is white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, in acetone, in chloroform and in ether, with a molecular weight of 244.24. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa, USP. Inactive ingredients are crospovidone type B, ferric oxide red, ferric oxide yellow, hydroxypropyl cellulose, magnesium stearate, mannitol and microcrystalline cellulose. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Carbidopa Tablets, USP

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Summary not available yet.

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Summary not available yet.

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Carbidopa, USP is an inhibitor of aromatic amino acid decarboxylation. It is white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, in acetone, in chloroform and in ether, with a molecular weight of 244.24. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa, USP. Inactive ingredients are crospovidone type B, ferric oxide red, ferric oxide yellow, hydroxypropyl cellulose, magnesium stearate, mannitol and microcrystalline cellulose. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Carbidopa Tablets, USP

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: LODOSYN (carbidopa) tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow No. 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Chemical Structure

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Carbidopa, USP is an inhibitor of aromatic amino acid decarboxylation. It is white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, in acetone, in chloroform and in ether, with a molecular weight of 244.24. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa, USP. Inactive ingredients are crospovidone type B, ferric oxide red, ferric oxide yellow, hydroxypropyl cellulose, magnesium stearate, mannitol and microcrystalline cellulose. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Carbidopa Tablets, USP

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Summary not available yet.

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Image

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Carbidopa tablets contain 25 mg of carbidopa. Inactive ingredients are microcrystalline cellulose, FD&C Yellow No. 6, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Chemical Structure

Carbidopa and levodopa tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, freely soluble in 3N hydrochloric acid, slightly soluble in water and methanol, practically insoluble in alcohol, acetone, ether and chloroform, with a molecular weight of 244.3. It is designated chemically as (—)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Levodopa USP, an aromatic amino acid, is a white to off-white, crystalline powder, slightly soluble in water, freely soluble in 3N hydrochloric acid, insoluble in alcohol, with a molecular weight of 197.2. It is designated chemically as (—)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa is supplied as tablets for oral administration in three strengths: Carbidopa and levodopa tablets USP, 25 mg/100 mg containing 25 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 10 mg/100 mg containing 10 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets USP, 25 mg/250 mg containing 25 mg of carbidopa USP and 250 mg of levodopa USP. Inactive ingredients are crospovidone, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). Carbidopa and levodopa tablets USP, 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue No.2 Aluminum Lake. Carbidopa and levodopa tablets USP, 25 mg/100 mg also contain D&C Yellow No.10. FDA approved dissolution test specifications differ from USP.

Carbidopa and levodopa tablets, USP are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa Tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/100 mg, containing 25 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/250 mg, containing 25 mg of carbidopa, USP and 250 mg of levodopa, USP. In addition, each tablet contains the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize). In addition, the 25 mg/100 mg strength contain D&C yellow #10 aluminum lake and FD&C yellow #6 aluminum lake (sunset yellow lake). The 10 mg/100 mg and 25 mg/250 mg strengths contain FD&C blue #2 aluminum lake. 67944b5f-figure-01 67944b5f-figure-02

Carbidopa and Levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4- dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa is supplied as tablets in three strengths: Carbidopa and Levodopa tablets, USP 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, pregelatinized starch, crospovidone, microcrystalline cellulose, and magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue #2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow #10. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP. cdld-structure-carbidopa cdld-structure-levodopa

Carbidopa and Levodopa extended-release tablets, USP are extended-release oral dosage form and are combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3. It is designated chemically as (-)-L-α-hydrazino- α -methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.3. Levodopa, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L- α -amino- β -(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 50 mg of carbidopa and 200 mg of levodopa, or 25 mg of carbidopa and 100 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, hypromellose, microcrystalline cellulose, magnesium stearate, and colloidal silicon dioxide. Carbidopa and levodopa extended-release tablets, USP 25 mg/100 mg and 50 mg/ 200 mg also contain FD&C red 40 Alu lake and FD&C blue 2 Alu lake. The 25 mg/100 mg tablet is supplied as light purple to purple, dappled, oval, uncoated tablets, debossed with “Λ50” on one side and plain on other. The 50 mg/200 mg tablet is supplied as light purple to purple, dappled, oval, uncoated tablets, debossed with “Λ51” on one side and plain on other. Carbidopa and levodopa extended-release tablets are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablets 25 mg/100 mg are available to facilitate titration when 100 mg steps are required. FDA approved dissolution test specifications differ from USP. image description image description

Carbidopa and levodopa tablets, USP are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa Tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/100 mg, containing 25 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/250 mg, containing 25 mg of carbidopa, USP and 250 mg of levodopa, USP. In addition, each tablet contains the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize). In addition, the 25 mg/100 mg strength contain D&C yellow #10 aluminum lake and FD&C yellow #6 aluminum lake (sunset yellow lake). The 10 mg/100 mg and 25 mg/250 mg strengths contain FD&C blue #2 aluminum lake. Carbidopa Structural Formula Levodopa Structural Formula

Carbidopa and levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa USP, an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa USP, an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP, 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and levodopa tablets, USP, 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are microcrystalline cellulose, corn starch, pregelatinized maize starch, sodium starch glycolate, magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue 2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow 10 and FD&C Yellow 6. FDA approved dissolution method differs from that of the USP.

Carbidopa and levodopa tablets, USP are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa Tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/100 mg, containing 25 mg of carbidopa, USP and 100 mg of levodopa, USP. 25 mg/250 mg, containing 25 mg of carbidopa, USP and 250 mg of levodopa, USP. In addition, each tablet contains the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize). In addition, the 25 mg/100 mg strength contain D&C yellow #10 aluminum lake and FD&C yellow #6 aluminum lake (sunset yellow lake). The 10 mg/100 mg and 25 mg/250 mg strengths contain FD&C blue #2 aluminum lake. 67944b5f-figure-01 67944b5f-figure-02

Carbidopa and levodopa tablets are a combination product for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.3.. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 .H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa tablets, USP for oral administration, are supplied in three strengths: 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. In addition, each tablet contains the following inactive ingredients: 10 mg/100 mg — Corn starch, FD&C blue #2 aluminum lake, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). 25 mg/100 mg — Corn starch, D&C yellow #10 aluminum lake, FD&C yellow #6 aluminum lake (sunset yellow lake), magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). 25 mg/250 mg — Corn starch, FD&C blue #2 aluminum lake, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize). chemical-structure chemical-structure

Carbidopa and levodopa extended-release tablets, USP are an extended-release combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4-dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa extended-release tablets, USP are supplied as extended-release tablets containing either 25 mg of carbidopa and 100 mg of levodopa, or 50 mg of carbidopa and 200 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, magnesium stearate, hypromellose and also contain FD&C Blue #2. The 25 mg/100 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '460' on the other side. The 50 mg/200 mg tablet is supplied as a light blue, mottled, oval, uncoated tablets debossed with 'SG' on one side and '461' on the other side. Carbidopa and levodopa extended-release tablets, USP are polymeric-based drug delivery system that controls the release of carbidopa and levodopa as it slowly erodes. Carbidopa and levodopa extended-release tablet 25 mg/100 mg is available to facilitate titration when 100 mg steps are required. FDA approved dissolution test specifications differ from USP.

Carbidopa and levodopa tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white to creamy-white powder, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-3, 4-dihydroxy-α-methylhydrocinnamic acid monohydrate. Its empirical formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.24. Levodopa, USP an aromatic amino acid, is a white to off-white, crystalline powder, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (2S)-2-Amino-3-(3,4-dihydroxyphenyl) propanoic acid. Its empirical formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa is supplied as tablets in three strengths: Carbidopa and levodopa tablets, USP 10 mg/100 mg containing 10 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets, USP 25 mg/100 mg containing 25 mg of carbidopa USP and 100 mg of levodopa USP. Carbidopa and levodopa tablets, USP 25 mg/250 mg containing 25 mg of carbidopa USP and 250 mg of levodopa USP. Inactive ingredients are microcrystalline cellulose, pregelatinized starch (maize), crospovidone, hydroxypropyl cellulose and magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue No.2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow No.10. FDA approved dissolution test specifications differ from USP. Carbidopa Structure Levodopa Structure

Carbidopa and Levodopa tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa, USP an inhibitor of aromatic amino acid decarboxylation, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (-)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.23. Levodopa, USP an aromatic amino acid, is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.19. It is designated chemically as (-)-L-α-amino-β-(3,4- dihydroxybenzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and Levodopa is supplied as tablets in three strengths: Carbidopa and Levodopa tablets, USP 10 mg/100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa tablets, USP 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are hydroxypropyl cellulose, pregelatinized starch, crospovidone, microcrystalline cellulose, and magnesium stearate. Carbidopa and levodopa tablets, USP 10 mg/100 mg and 25 mg/250 mg also contain FD&C Blue #2. Carbidopa and levodopa tablets, USP 25 mg/100 mg also contain D&C Yellow #10. Carbidopa Chemical Structure Levodopa Chemical Structure

Carbidopa and levodopa orally disintegrating tablets, USP are a combination of carbidopa and levodopa for the treatment of Parkinson's disease and syndrome. Carbidopa and levodopa orally disintegrating tablets are an orally administered formulation of carbidopa and levodopa which rapidly disintegrates on the tongue and does not require water to aid dissolution or swallowing. Carbidopa, USP, an inhibitor of aromatic amino acid decarboxylation, is a white to creamy white powder, slightly soluble in water, with a molecular weight of 244.2. It is designated chemically as (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O, and its structural formula is: Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.2. Levodopa, USP, an aromatic amino acid, is a white to off-white, odorless crystalline powder, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (-)-3-(3,4-Dihydroxyphenyl)-L-alanine. Its molecular formula is C 9 H 11 NO 4 , and its structural formula is: Carbidopa and levodopa orally disintegrating tablets, USP are supplied as tablets in three strengths: Carbidopa and Levodopa Orally Disintegrating Tablets 10 mg /100 mg, containing 10 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa Orally Disintegrating Tablets 25 mg/100 mg, containing 25 mg of carbidopa and 100 mg of levodopa. Carbidopa and Levodopa Orally Disintegrating Tablets 25 mg/250 mg, containing 25 mg of carbidopa and 250 mg of levodopa. Inactive ingredients are aspartame, crospovidone, mannitol, microcrystalline cellulose, peppermint flavor, silica, sodium stearyl fumarate and sorbitol. In addition, the 25 mg/100 mg tablets contain FD&C Blue No. 1 Aluminum Lake and the 10 mg/100 mg and 25 mg/250 mg tablets contain D&C Yellow No. 10 Aluminum Lake and FD&C Blue No. 1 Aluminum Lake. carbidopa-structural-formula.jpg levodopa-structural-formula.jpg