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CARBIDOPA
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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, 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
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, 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 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. Inactive ingredients are colloidal silicon dioxide, FD&C Red 40, microcrystalline cellulose, magnesium stearate and pregelatinized starch. Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. Chemical Structure
By Substance
Drugs sharing the same substance name
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, 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 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, 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 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. Inactive ingredients are colloidal silicon dioxide, FD&C Red 40, microcrystalline cellulose, 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 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 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, 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, 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, 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 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 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 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 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 244.25. 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 226.23. 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 (-)-3-(3,4-Dihydroxyphenyl)-L-alanine. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Each extended-release tablet, for oral administration, contains either 25 mg of carbidopa and 100 mg of levodopa or 50 mg of carbidopa and 200 mg of levodopa. In addition, each tablet contains the following inactive ingredients: FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, hydroxypropyl cellulose, hypromellose, and magnesium stearate. The 25 mg/100 mg tablets are purple, oval, unscored tablets debossed with MYLAN on one side of the tablet and 88 on the other side of the tablet. The 50 mg/200 mg tablets are purple, oval, scored tablets debossed with MYLAN on one side of the tablet and 9 to the left of the score and 4 to the right of the score on the other side of the tablet. Carbidopa and levodopa extended-release tablets are designed in a drug delivery system that controls the release of carbidopa and levodopa as the tablets slowly erode. The 25 mg/100 mg carbidopa and levodopa extended-release tablet is available to facilitate titration and as an alternative to the half-tablet of 50 mg/200 mg carbidopa and levodopa extended-release. FDA approved dissolution test specifications differ from USP. 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 extended-release capsule is a combination of carbidopa, an inhibitor of aromatic amino acid decarboxylation, and levodopa, an aromatic amino acid, in extended-release capsules for oral use. Carbidopa 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: Capsule content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.2. Levodopa is a white to off-white, 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: Each extended-release capsule contains 23.75 mg carbidopa, USP and 95 mg levodopa USP, 36.25 mg carbidopa, USP and 145 mg levodopa USP, 48.75 mg carbidopa, USP and 195 mg levodopa USP, or 61.25 mg carbidopa, USP and 245 mg levodopa USP. The inactive ingredients are microcrystalline cellulose, mannitol, tartaric acid, ethyl cellulose, hypromellose, sodium starch glycolate, sodium lauryl sulfate, povidone, talc, methacrylic acid copolymers, triethyl citrate, croscarmellose sodium, and magnesium stearate. All capsule shells contain gelatin and titanium dioxide. In addition, all blue capsule shells contain FD&C Blue #2 and yellow iron oxide. All yellow capsule shells contain yellow iron oxide. All capsules imprinted with blue pharmaceutical ink contain FD&C Blue #2, butyl alcohol, dehydrated alcohol, isopropyl alcohol, propylene glycol, shellac and strong ammonia solution. Image Image
Carbidopa and levodopa orally disintegrating tablet, USP is a combination of carbidopa and levodopa for the treatment of Parkinson’s disease and syndrome. Carbidopa and levodopa orally disintegrating tablet is 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, 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 orally disintegrating tablets, USP are supplied as tablets in three strengths: 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 10 mg/100 mg, containing 10 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 povidone, mannitol, calcium silicate, crospovidone, talc, magnesium stearate, aspartame, tutti-frutti flavor, colloidal silicon dioxide, microcrystalline cellulose. Carbidopa and levodopa orally disintegrating tablets 10 mg/100 mg and 25 mg/250 mg also contain FD&C blue #2 (aluminum lake). Carbidopa and levodopa orally disintegrating tablets 25 mg/100 mg also contain D&C Yellow 10 Aluminum Lake and FD & C Yellow 6 Lake. Meets USP dissolution test 2. cdld-odt-carbidopa-structure cdld-odt-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