heritage pharmaceuticals inc. d/b/a avet pharmaceuticals inc. - Medication Listings

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Tetrabenazine tablets contains tetrabenazine is a monoamine depletor for oral administration. The molecular weight of tetrabenazine is 317.42; the pKa is 6.51. Tetrabenazine is a hexahydro-dimethoxy-benzoquinolizine derivative and has the following chemical name: cis rac –1,3,4,6,7,11b- hexahydro-9,10-dimethoxy-3-(2-methylpro-pyl)-2H-benzo[a]quinolizin-2-one. The empirical formula C 19 H 27 NO 3 is represented by the following structural formula: Tetrabenazine is a white to pale yellow powder that is soluble in chloroform and sparingly soluble in methanol. Each tetrabenazine tablet contains either 12.5 or 25 mg of tetrabenazine as the active ingredient. Tetrabenazine tablets contain tetrabenazine as the active ingredient and the following inactive ingredients: lactose monohydrate, pregelatinized starch, ferric oxide yellow, talc and magnesium stearate. Tetrabenazine tablets are supplied as a light yellow to yellow, functionally scored tablet containing 25 mg of tetrabenazine or as a light yellow to yellow, non-scored tablet containing 12.5 mg of tetrabenazine. strcuture

Tetracycline is a yellow, odorless, crystalline powder. Tetracycline is stable in air but exposure to strong sunlight causes it to darken. Its potency is affected in solutions of pH below 2 and is rapidly destroyed by alkali hydroxide solutions. Tetracycline is very slightly soluble in water, freely soluble in dilute acid and in alkali hydroxide solutions, sparingly soluble in alcohol, and practically insoluble in chloroform and in ether. The chemical name for tetracycline hydrochloride is 4-(Dimethylamino) -1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,-12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecar-boxamide monohydrochloride. Its structural formula is as follows: Each capsule, for oral administration, contains 250 mg or 500 mg tetracycline hydrochloride. Inactive Ingredients: Lactose, and magnesium stearate. The 250 mg and 500 mg capsule shells contain D&C Yellow No. 10, FD&C Yellow No. 6, gelatin, sodium lauryl sulfate, and titanium dioxide. The imprinting ink for the 250 mg and 500 mg capsules contains D&C Yellow No. 10, FD&C Blue No. 1, FD&C Blue No. 2, FD&C Red No. 40, iron oxide black, pharmaceutical shellac glaze, propylene glycol, n-butyl alcohol, and ferrosoferric oxide. This product complies with USP dissolution Test 2. structural-formula

Tetracycline is a yellow, odorless, crystalline powder. Tetracycline is stable in air but exposure to strong sunlight causes it to darken. Its potency is affected in solutions of pH below 2 and is rapidly destroyed by alkali hydroxide solutions. Tetracycline is very slightly soluble in water, freely soluble in dilute acid and in alkali hydroxide solutions, sparingly soluble in alcohol, and practically insoluble in chloroform and in ether. The chemical name for tetracycline hydrochloride is 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,-12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride. Its structural formula is as follows: Each capsule, for oral administration, contains 250 mg or 500 mg tetracycline hydrochloride. Inactive Ingredients: Lactose, light mineral oil, and magnesium stearate. The 250 mg and 500 mg capsule shells contain D&C yellow no. 10, FD&C blue no. 1, FD&C yellow no. 6, gelatin, and titanium dioxide. The imprinting ink for the 250 mg and 500 mg capsules contains D&C yellow #10, FD&C blue no. 1, FD&C blue no. 2, FD&C red no. 40, iron oxide black, pharmaceutical shellac glaze, propylene glycol and n-butyl alcohol. structure

Theophylline is structurally classified as a methylxanthine. It occurs as a white, odorless, crystalline powder with a bitter taste. Anhydrous theophylline has the chemical name 1H-Purine-2,6-dione,3,7-dihydro-1,3-dimethyl-, and is represented by the following structural formula: This product allows a 12-hour dosing interval for a majority of patients and a 24-hour dosing interval for selected patients (see DOSAGE AND ADMINISTRATION section for description of appropriate patient populations). Each extended-release tablet for oral administration contains either 300 mg or 450 mg of anhydrous theophylline. Tablets also contain as inactive ingredients: hypromellose, lactose anhydrous, magnesium stearate and povidone. Structure

Thiamine Hydrochloride Injection, USP is a sterile solution of thiamine hydrochloride in Water for Injection for intramuscular (IM) or slow intravenous (IV) administration. Each mL contains: Thiamine hydrochloride 100 mg; chlorobutanol anhydrous (chloral derivative) 0.5%; monothioglycerol 0.5%; water for injection, q.s. Sodium hydroxide may have been added for pH adjustment (2.5 to 4.5). Thiamine hydrochloride, or vitamin B 1 , occurs as white crystals or crystalline powder that usually has a slight characteristic odor. Freely soluble in water; soluble in glycerin; slightly soluble in alcohol; insoluble in ether and benzene. Thiamine is rapidly destroyed in neutral or alkaline solutions but is stable in the dry state. It is reasonably stable to heat in acid solution. The chemical name of thiamine hydrochloride is thiazolium,3-[(4-amino-2-methyl-5 pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylchloride, monohydrochloride and it has the following structural formula: C 12 H 17 CIN 4 OS HCl M.W. 337.27 structural-formula

Topiramate is a sulfamate-substituted monosaccharide. Topiramate capsules (sprinkle) are available as 15 mg or 25 mg sprinkle capsules for oral administration as whole capsules or opened and sprinkled onto soft food. Topiramate, USP is a white to off-white powder with a bitter taste. Topiramate is most soluble in alkaline solutions containing sodium hydroxide or sodium phosphate and having a pH of 9 to 10. It is freely soluble in acetone, chloroform, dimethylsulfoxide, and ethanol. The solubility in water is 9.8 mg/mL. Its saturated solution has a pH of 6.3. Topiramate has the molecular formula C 12 H 21 NO 8 S and a molecular weight of 339.36. Topiramate is designated chemically as 2,3:4,5-Di- O -isopropylidene-β-D-fructopyranose sulfamate and has the following structural formula: Topiramate capsules (sprinkle) contain topiramate beads in a hard gelatin capsule. The inactive ingredients are carboxymethylcellulose calcium, FD&C Red No. 40, gelatin, hypromellose, lactose monohydrate, microcrystalline cellulose, polyethylene glycol, povidone, saccharin sodium, sodium lauryl sulfate, talc and titanium dioxide. The imprinting ink contains shellac, black iron oxide and traces of potassium hydroxide. structure

Torsemide, USP is a diuretic of the pyridine-sulfonylurea class. Its chemical name is 1-isopropyl-3-[(4-m-toluidino-3-pyridyl) sulfonyl]urea and its structural formula is: Its molecular formula is C 16 H 20 N 4 O 3 S, its pKa is 7.1, and its molecular weight is 348.43. Torsemide, USP is a white to off-white crystalline powder. The tablet for oral administration contains 5 mg, 10 mg, 20 mg or 100 mg of torsemide. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, crospovidone, lactose monohydrate, magnesium stearate, and microcrystalline cellulose. Meets USP Dissolution Test 2. structure

Tranexamic acid is trans-4-(aminomethyl)cyclohexanecarboxylic acid, an antifibrinolytic agent. Tranexamic acid is a white crystalline powder. The structural formula is Empirical Formula: C 8 H 15 NO 2 Molecular Weight: 157.2 Each mL of the sterile solution for intravenous injection contains 100 mg tranexamic acid and Water for Injection to 1 mL. The aqueous solution for injection has a pH of 6.5 to 8.0. structure

Chemically, trimethobenzamide hydrochloride is N-[ p -[2-(dimethylamino)ethoxy]benzyl]-3,4,5-trimethoxybenzamide monohydrochloride. It has a molecular weight of 424.93 and the following structural formula: Capsules: Each capsule for oral use contains trimethobenzamide hydrochloride USP equivalent to 300 mg. The capsule has an opaque purple cap marked “HP” and an opaque purple body marked “180”. The inactive ingredients are lactose monohydrate, magnesium stearate, and corn starch. The capsule shell contains the following ingredients: gelatin, titanium dioxide, D&C Red No. 28, and FDC Blue No. 1, and sodium lauryl sulfate. White ink contains the following ingredients: Shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, ammonium hydroxide, potassium hydroxide and titanium dioxide. chemical-structure

Trospium chloride is a quaternary ammonium compound with the chemical name of Spiro [8-azoniabicyclo[3.2.1]octane-8,1'-pyrrolidinium], 3-[(hydroxydiphenylacetyl)oxy]-, chloride, (1α, 3β, 5α). The empirical formula of trospium chloride is C 25 H 30 ClNO 3 and its molecular weight is 427.96. The structural formula of trospium chloride is represented below: Trospium chloride is a white or almost white, crystalline powder. The compound is very soluble in water. Each trospium chloride tablet intended for oral administration contains 20 mg of trospium chloride, a muscarinic antagonist, for oral administration. Each trospium chloride tablet also contains the following inactive ingredients: black iron oxide, confectioners' sugar, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, propylene glycol, shellac, silicon dioxide, talc and titanium dioxide. Product meets USP Dissolution Test 2. structure

Ultramicrosize griseofulvin tablets, USP contain ultramicrosize crystals of griseofulvin, an antibiotic derived from a species of Penicilliu m. Griseofulvin crystals are partly dissolved in polyethylene glycol 8000 and partly dispersed throughout the tablet matrix. The chemical name of griseofulvin, USP is 7-Chloro-2’,4,6-trimethoxy-6’β-methylspiro[benzofuran-2( 3H ),1’-[2]cyclohexene]-3,4’-dione. Its structural formula is: Griseofulvin, USP occurs as a white to creamy white, odorless powder which is very slightly soluble in water, soluble in acetone, dimethylformamide, and chloroform and sparingly soluble in alcohol. Each ultramicrosize griseofulvin tablet contains 125 mg or 250 mg griseofulvin ultramicrosize. The inactive ingredients for ultramicrosize griseofulvin tablets, 125 mg or 250 mg, include: corn starch, lactose anhydrous, magnesium stearate, polyethylene glycol 8000, and sodium lauryl sulfate. structural-formula

Vancomycin hydrochloride capsules, USP for oral administration contain chromatographically purified vancomycin hydrochloride, a tricyclic glycopeptide antibiotic derived from Amycolatopsis orientalis (formerly Nocardia orientalis ), which has the chemical formula C 66 H 75 Cl 2 N 9 O 24 •HCl. The molecular weight of vancomycin hydrochloride is 1,485.73; 500 mg of the base is equivalent to 0.34 mmol. Each capsule contains 125 mg vancomycin (equivalent to 128 mg vancomycin hydrochloride) or 250 mg vancomycin (equivalent to 256 mg vancomycin hydrochloride). Inactive ingredient includes polyethylene glycol. The 125 mg capsule shell contains gelatin, FD&C Blue No. 1, D & C Red No. 28, D & C Yellow No.10, titanium dioxide, iron oxide red and iron oxide yellow. The capsules are printed with black ink. The black imprinting ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide. The 250 mg capsule shell contains gelatin, black iron oxide, iron oxide red, iron oxide yellow and titanium dioxide. The capsules are printed with white ink. The white imprinting ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, potassium hydroxide and titanium dioxide. Vancomycin hydrochloride has the structural formula: structure

Venlafaxine hydrochloride, USP is a structurally novel antidepressant for oral administration. It is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl] cyclohexanol hydrochloride or (±)-1-[α-[(dimethyl-amino)methyl]-p-methoxybenzyl] cyclohexanol hydrochloride and has the empirical formula of C 17 H 27 NO 2 ·HCl. Its molecular weight is 313.87. The structural formula is shown below. Venlafaxine hydrochloride, USP is a white to off-white crystalline solid with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride). Its octanol: water (0.2 M sodium chloride) partition coefficient is 0.43. Compressed tablets contain venlafaxine hydrochloride, USP equivalent to 25 mg, 37.5 mg, 50 mg, 75 mg, or 100 mg venlafaxine. Inactive ingredients consist of croscarmellose sodium, FD&C Yellow #6 Aluminum Lake, hypromellose, lactose monohydrate, polyethylene glycol, magnesium stearate, microcrystalline cellulose, povidone and titanium dioxide. Image

Verapamil hydrochloride is a calcium antagonist or slow-channel inhibitor. Verapamil Hydrochloride Injection, USP is a sterile, nonpyrogenic solution containing verapamil hydrochloride 2.5 mg/mL and sodium chloride 8.5 mg/mL in water for injection. The solution contains no bacteriostat or antimicrobial agent and is intended for single-dose intravenous administration. May contain hydrochloric acid for pH adjustment; pH is 4.0 to 6.5. The chemical name of Verapamil Hydrochloride, USP is benzeneacetonitrile, α-[3-[{2-(3,4- dimethoxyphenyl)ethyl} methylamino] propyl]-3,4-dimethoxy-α-(1-methylethyl) hydrochloride. Verapamil hydrochloride is a white or practically white crystalline powder. It is practically odorless and has a bitter taste. It is soluble in water; freely soluble in chloroform; sparingly soluble in alcohol; practically insoluble in ether. It has the following structural formula: Molecular weight: 491.06 Molecular formula: C 27 H 38 N 2 O 4 · HCl Verapamil hydrochloride is not chemically related to other antiarrhythmic drugs. structure

Verapamil hydrochloride (verapamil HCl) tablets, USP is a calcium ion influx inhibitor (slow-channel blocker or calcium ion antagonist) available for oral administration in film-coated tablets containing 40 mg, 80 mg or 120 mg of verapamil hydrochloride. The structural formula of verapamil HCl is: C 27 H 38 N 2 O 4 • HCl M.W. = 491.08 Benzeneacetonitrile, α-[3-[[2-(3,4-dimethoxyphenyl)ethyl] methylamino]propyl]-3,4-dimethoxy-α-(1-methylethyl) hydrochloride Verapamil HCl is an almost white, crystalline powder, practically free of odor, with a bitter taste. It is soluble in water, chloroform, and methanol. Verapamil HCl is not chemically related to other cardioactive drugs. Inactive ingredients include colloidal silicon dioxide, dibasic calcium phosphate dihydrate, magnesium stearate, microcrystalline cellulose, sodium starch glycolate, light mineral oil, sodium lauryl sulfate, titanium dioxide and hypromellose. Image

Zoledronic acid injection contains zoledronic acid, a bisphosphonic acid which is an inhibitor of osteoclastic bone resorption. Zoledronic acid is designated chemically as (1-Hydroxy-2-imidazol-1-yl-phosphonoethyl) phosphonic acid monohydrate and its structural formula is: Zoledronic acid is a white crystalline powder. Its molecular formula is C 5 H 10 N 2 O 7 P 2 •H 2 O and its molar mass is 290.1g/mol. Zoledronic acid is highly soluble in 0.1N sodium hydroxide solution, sparingly soluble in water and 0.1N hydrochloric acid, and practically insoluble in organic solvents. The pH of a 0.7% solution of zoledronic acid in water is approximately 2.0. Zoledronic acid injection is available in 5 mL vials as a sterile liquid solution for dilution prior to intravenous infusion. Each 5 mL solution for dilution prior to intravenous infusion vial contains 4.264 mg zoledronic acid monohydrate, corresponding to 4 mg zoledronic acid on an anhydrous basis, 220 mg of mannitol, USP, water for injection, and 24 mg of sodium citrate, USP. Inactive Ingredients: mannitol, USP, as bulking agent, water for injection, and sodium citrate, USP, as buffering agent. structure