preferred pharmaceuticals inc. - Medication Listings

Crystalline warfarin sodium is an anticoagulant that acts by inhibiting vitamin K-dependent coagulation factors. The chemical name of warfarin sodium is 3-(α-acetonylbenzyl)-4-hydroxycoumarin sodium salt, which is a racemic mixture of the R - and S -enantiomers. Crystalline warfarin sodium is an isopropanol clathrate. Its empirical formula is C 19 H 15 NaO 4 , and its structural formula is represented by the following: Crystalline warfarin sodium occurs as a white, odorless, crystalline powder that is discolored by light. It is very soluble in water, freely soluble in alcohol, and very slightly soluble in chloroform and ether. Warfarin sodium tablets, USP (Crystalline) for oral use also contain: All strengths: Hydroxypropyl Cellulose, Lactose Monohydrate, Magnesium Stearate and Pregelatinized Starch 1 mg: D&C Red No. 6 Barium Lake 2 mg: FD&C Blue No. 2 Aluminum Lake and FD&C Red No. 40 Aluminum Lake 2-1/2 mg: D&C Yellow No. 10 Aluminum Lake and FD&C Blue No. 1 Aluminum Lake 3 mg: FD&C Yellow No. 6 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, and FD&C Red No. 40 Aluminum Lake 4 mg: FD&C Blue No. 1 Aluminum Lake 5 mg: FD&C Yellow No. 6 Aluminum Lake 6 mg: FD&C Yellow No. 6 Aluminum Lake and FD&C Blue No. 1 Aluminum Lake 7-1/2 mg: D&C Yellow No. 10 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake 10 mg: Dye-free 474ff828-figure-01

Zaleplon, USP is a nonbenzodiazepine hypnotic from the pyrazolopyrimidine class. The chemical name of zaleplon, USP is N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide. Its empirical formula is C 17 H 15 N 5 O, and its molecular weight is 305.34. The structural formula is shown below. Zaleplon, USP is a white to off-white powder that is practically insoluble in water and sparingly soluble in alcohol or propylene glycol. Its partition coefficient in octanol/water is constant (log PC = 1.23) over the pH range of 1 to 7. Zaleplon capsules, USP contain zaleplon, USP as the active ingredient. Inactive ingredients consist of lactose monohydrate, pregelatinized starch, microcrystalline cellulose, silicon dioxide, magnesium stearate, gelatin, titanium dioxide, FD&C blue #1, FD&C red #40, and FD&C yellow #5. Ink constituents are: shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide. Complies with USP dissolution Test 2. molecular structure

Zaleplon is a nonbenzodiazepine hypnotic from the pyrazolopyrimidine class. The chemical name of zaleplon is N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide. Its molecular formula is C 17 H 15 N 5 O, and its molecular weight is 305.34. The structural formula is shown below. Zaleplon Zaleplon is a white to off-white powder that is practically insoluble in water and sparingly soluble in alcohol or propylene glycol. Its partition coefficient in octanol/water is constant (log PC = 1.23) over the pH range of 1 to 7. Zaleplon capsules USP contain zaleplon as the active ingredient. Inactive ingredients consist of microcrystalline cellulose, pregelatinized starch, colloidal silicon dioxide, sodium lauryl sulfate, magnesium stearate, lactose, gelatin, titanium dioxide, FD&C blue #1, FD&C red #40 and black iron oxide. The 5 mg capsules also contain FD&C yellow #5. Meets USP Dissolution Test 2. Molecular Structure

Zolpidem tartrate, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate is available in 5 mg and 10 mg strength tablets for oral administration. Chemically, zolpidem is N,N ,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate, USP is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Each zolpidem tartrate tablet, USP includes the following inactive ingredients: hypromellose, lactose monohydrate, microcrystalline cellulose, magnesium stearate, polyethylene glycol, sodium starch glycolate, titanium dioxide and ferric oxide red; the 10 mg tablet also contains ferric oxide yellow. Image 1

Zolpidem tartrate extended-release tablets USP contains zolpidem tartrate, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate extended-release tablets USP are available in 6.25 mg and 12.5 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate is a white or almost white, crystalline powder, hygroscopic that is slightly soluble in water, sparingly soluble in methanol and practically insoluble in methylene chloride. It has a molecular weight of 764.87. Zolpidem tartrate extended-release tablets USP consist of a coated two-layer tablet: one layer that releases its drug content immediately and another layer that allows a slower release of additional drug content. The 6.25 mg zolpidem tartrate extended-release tablets USP contain the following inactive ingredients: colloidal silicon dioxide, FD&C Blue # 2 aluminium lake, hypromellose, iron oxide red, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, potassium bitartrate, sodium starch glycolate and titanium dioxide. The 12.5 mg zolpidem tartrate extended-release tablets USP contain the following inactive ingredients: colloidal silicon dioxide, FD&C Blue # 2 aluminium lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, potassium bitartrate, sodium starch glycolate and titanium dioxide. Zolpidem tartrate extended-release tablets USP meets USP Dissolution Test 6. Zolpidem Tartrate

Zolpidem tartrate extended-release tablets, USP contains zolpidem tartrate, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate extended-release tablets, USP are available in 6.25 mg and 12.5 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)- tartrate (2:1). It has the following structure: Zolpidem tartrate is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Zolpidem tartrate extended-release tablets consist of a coated two-layer tablet: one layer that releases its drug content immediately and another layer that allows a slower release of additional drug content. The 6.25 mg zolpidem tartrate extended-release tablets contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, ferric oxide yellow, magnesium stearate, potassium bitartrate, hypromellose, colloidal silicon dioxide, titanium dioxide, polyethylene glycol, FD&C Red #40. The 12.5 mg zolpidem tartrate extended-release tablets contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, ferric oxide red, magnesium stearate, potassium bitartrate, hypromellose, colloidal silicon dioxide, titanium dioxide, polyethylene glycol, FD&C Blue #2. Meets USP Dissolution Test 2. Chemical Structure

Zolpidem tartrate extended-release tablets, USP contains zolpidem tartrate, USP, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate extended-release tablets, USP are available in 6.25 mg and 12.5 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)‑-tartrate (2:1). It has the following structure: Zolpidem tartrate is a white to off-white crystalline powder that is slightly soluble in water, sparingly soluble in alcohol, and propylene glycol. It has a molecular weight of 764.86. Zolpidem tartrate extended-release tablets, USP consist of a coated two-layer tablet: one layer that releases its drug content immediately and another layer that allows a slower release of additional drug content. The 6.25 mg zolpidem tartrate extended-release tablets, USP contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, ferric oxide red, hypromellose, sodium starch glycolate, magnesium stearate, tartaric acid, talc, polyethylene glycol, polysorbate 80. The 12.5 mg zolpidem tartrate extended-release tablets, USP contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, ferric oxide yellow, hypromellose, sodium starch glycolate, magnesium stearate, tartaric acid, talc, polyethylene glycol, polysorbate 80. The imprinting ink contains shellac glaze, black iron oxide, propylene glycol, and ammonium hydroxide. It meets USP Dissolution Test 2. chemical-structure

Zolpidem tartrate extended-release tablets USP contains zolpidem tartrate, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate extended-release tablets USP are available in 6.25 mg and 12.5 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate is a white or almost white, crystalline powder, hygroscopic that is slightly soluble in water, sparingly soluble in methanol and practically insoluble in methylene chloride. It has a molecular weight of 764.87. Zolpidem tartrate extended-release tablets USP consist of a coated two-layer tablet: one layer that releases its drug content immediately and another layer that allows a slower release of additional drug content. The 6.25 mg zolpidem tartrate extended-release tablets USP contain the following inactive ingredients: colloidal silicon dioxide, FD&C Blue # 2 aluminium lake, hypromellose, iron oxide red, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, potassium bitartrate, sodium starch glycolate and titanium dioxide. The 12.5 mg zolpidem tartrate extended-release tablets USP contain the following inactive ingredients: colloidal silicon dioxide, FD&C Blue # 2 aluminium lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, potassium bitartrate, sodium starch glycolate and titanium dioxide. Zolpidem tartrate extended-release tablets USP meets USP Dissolution Test 6. Zolpidem Tartrate

Zolpidem tartrate is a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate is available in 5 mg and 10 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Each zolpidem tartrate tablet contains either 5 mg or 10 mg zolpidem tartrate with the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, povidone, magnesium stearate, hypromellose, hydroxypropyl cellulose, polyethylene glycol, talc, titanium dioxide, carnauba wax; the 10-mg tablet also contains ferric oxide yellow. Chemical Structure

Zonisamide is an antiseizure drug chemically classified as a sulfonamide and unrelated to other antiseizure agents. The active ingredient is zonisamide, 1,2-benzisoxazole-3-methanesulfonamide. The molecular formula is C 8 H 8 N 2 O 3 S with a molecular weight of 212.23. Zonisamide is a white powder, pKa = 10.2, and is moderately soluble in water (0.8 mg/mL) and 0.1 N HCl (0.5 mg/mL). The chemical structure is: Zonisamide is supplied for oral administration as capsules containing 25 mg, 50 mg or 100 mg zonisamide, USP. Each capsule contains the labeled amount of zonisamide plus the following inactive ingredients: microcrystalline cellulose, hydrogenated vegetable oil, gelatin, and titanium dioxide. In addition, individual empty hard gelatin capsule shell contains: 50 mg : Black iron oxide. 100 mg : FD&C Blue #1 and FD&C Red #40. The imprinting ink contains black iron oxide, shellac glaze, propylene glycol and also contains either FD & C Blue No. 2, FD & C Red No. 40, FD & C Blue No. 1 and D & C Yellow No.10 or strong ammonia solution and potassium hydroxide. spl-zonisamide-structure

Zonisamide is an antiseizure drug chemically classified as a sulfonamide and unrelated to other antiseizure agents. The active ingredient is zonisamide, 1,2-benzisoxazole-3-methanesulfonamide. The molecular formula is C 8 H 8 N 2 O 3 S with a molecular weight of 212.23. Zonisamide, USP is a white to off white crystalline powder, pKa=10.2, and is moderately soluble in water (0.80 mg/mL) and 0.1 N HCl (0.50 mg/mL). The chemical structure is: Zonisamide capsules, USP contain 25 mg or 50 mg or 100 mg zonisamide. Each capsule contains the inactive ingredients FD&C Blue #1, FD&C Red #4, gelatin, hydrogenated vegetable oil, microcrystalline cellulose, sodium lauryl sulfate, and titanium dioxide. The capsule is imprinted with black pharmaceutical ink and contains following inactive ingredients: black iron oxide, potassium hydroxide, propylene glycol and shellac. Structured formula for Zonisamide