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Cyclobenzaprine hydrochloride, USP is a tricyclic amine salt which is white to off white, odourless, crystalline powder with the molecular formula C 20 H 21 N • HCl and a molecular weight of 311.9. It has a melting point of 217°C, and a pKa of 8.47 at 25°C. It is freely soluble in water, in alcohol and in methanol, sparingly soluble in isopropanol, slightly soluble in chloroform and in methylene chloride, insoluble in n-hexane. If aqueous solutions are made alkaline, the free base separates. Cyclobenzaprine hydrochloride is designated chemically as 3-(5H -dibenzo[a,d] cyclohepten-5-ylidene)- N,N -dimethyl-1-propanamine hydrochloride, and has the following structural formula: Cyclobenzaprine hydrochloride tablets, USP are available as 5 mg, 7.5 mg and 10 mg tablets for oral administration. Each 5 mg, 7.5 mg and 10 mg tablet contains cyclobenzaprine hydrochloride and the following inactive ingredients: crospovidone, hypromellose, lactose anhydrous, macrogol, magnesium stearate, polysorbate 80, pregelatinized starch, silicified microcrystalline cellulose, titanium dioxide. The tablets of 5 mg and 10 mg also contain D&C Yellow #10 Aluminum Lake and FD&C Yellow #6 Sunset Yellow FCF Aluminum Lake. In addition, the 5 mg tablets contain FD&C Blue #2/INDIGO Carmine Aluminum Lake. Image

Meloxicam tablets USP are a nonsteroidal anti-inflammatory drug (NSAID). Each tablet contains 7.5 mg or 15 mg meloxicam for oral administration. Meloxicam is chemically designated as 4-Hydroxy-2-methyl-N-(5-methylthiazol-2-yl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide. The molecular weight is 351.4. Its empirical formula is C 14 H 13 N 3 O 4 S 2 and it has the following structural formula: Meloxicam is a pale yellow powder, practically insoluble in water, soluble in dimethylformamide, very slightly soluble in ethanol. Meloxicam has an apparent partition coefficient (log P) app = 0.1 in n -octanol/buffer pH 7.4. Meloxicam has pKa values of 1.1 and 4.2. Meloxicam is available as a tablet for oral administration containing 7.5 mg or 15 mg meloxicam. The inactive ingredients in meloxicam tablets USP include colloidal silicon dioxide, crospovidone, lactose monohydrate, povidone, magnesium stearate, microcrystalline cellulose and sodium citrate dihydrate. structural

Naproxen tablets, USP are nonsteroidal anti-inflammatory drugs and available as follows: Naproxen tablets, USP are available as light yellow round shaped tablets containing 250 mg naproxen, light yellow capsule shaped tablets containing 375 mg naproxen, and light yellow oblong shaped tablets containing 500 mg naproxen for oral administration. Naproxen is a propionic acid derivative related to the arylacetic acid group of nonsteroidal anti-inflammatory drugs. The chemical name for naproxen is (S)-6-methoxy-α-methyl-2-naphthaleneacetic acid. Naproxen has a molecular weight of 230.26 and a molecular formula of C 14 H 14 O 3 . It has the following structural formula: Naproxen is white or almost white crystalline powder. It is insoluble in water, soluble in chloroform, dehydrated ethanol and methanol. Sparingly soluble in ether. The octanol/water partition coefficient of Naproxen at pH < 2.18 is 3.18. Each naproxen tablet, USP contains the following inactive ingredients: croscarmellose sodium, yellow iron oxide, povidone and magnesium stearate Structural Formula

Uses For the treatment of acne

Uses For temporary relief of pain

The active ingredient in lansoprazole delayed-release capsules, USP is lansoprazole, a substituted benzimidazole, 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridyl] methyl] sulfinyl] benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 16 H 14 F 3 N 3 O 2 S with a molecular weight of 369.37. Lansoprazole has the following structure: Lansoprazole is a white to brownish-white odorless crystalline powder which melts with decomposition at approximately 166°C. Lansoprazole is freely soluble in dimethylformamide; soluble in methanol; sparingly soluble in ethanol; slightly soluble in ethyl acetate, dichloromethane and acetonitrile; very slightly soluble in ether; and practically insoluble in hexane and water. Lansoprazole is stable when exposed to light for up to two months. The rate of degradation of the compound in aqueous solution increases with decreasing pH. The degradation half-life of the drug substance in aqueous solution at 25°C is approximately 0.5 hour at pH 5.0 and approximately 18 hours at pH 7.0. Lansoprazole is supplied in delayed-release capsules for oral administration. Lansoprazole is available in two dosage strengths: 15 mg and 30 mg of lansoprazole per capsule. Each delayed-release capsule contains enteric- coated pellets consisting of 15 or 30 mg of lansoprazole (active ingredient) and the following inactive ingredients: colloidal silicon dioxide, D&C Red No. 28, FD&C Blue No.1, FD&C Red No. 40, gelatin, hypromellose, magnesium carbonate, methacrylic acid copolymer, polyethylene glycol 6000, polysorbate-80, sodium lauryl sulphate, sucrose, sugar spheres, talc and titanium dioxide. The printing ink contains potassium hydroxide, propylene glycol, shellac, strong ammonia, titanium dioxide. In addition to this, the 15 mg capsule also contains FD&C Green No.3. FDA approved dissolution test specifications differ from USP Lansoprazole-str

Lidocaine Patch 5% is comprised of an adhesive material containing 5% lidocaine, which is applied to a non-woven polyester felt backing and covered with a polyethylene terephthalate (PET) film release liner. The release liner is removed prior to application to the skin. The size of the patch is 10 cm x 14 cm. Lidocaine is chemically designated as acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl), has an octanol:water partition ratio of 43 at pH 7.4, and has the following structure: Each adhesive patch contains 700 mg of lidocaine (50 mg per gram adhesive) in an aqueous base. It also contains the following inactive ingredients: purified water, glycerin, sorbitol, polyacrylic acid, sodium carboxymethylcellulose, sodium polyacrylate, propylene glycol, urea, kaolin, tartaric acid, gelatin, polyvinyl alcohol, dihydroxyaluminum aminoacetate, edetate disodium, methylparaben, and propylparaben. molecule

Uses For temporary relief of pain

Uses For temporary relief of pain

Uses For the temporary relief of minor aches and pains of muscles and joints, such as simple backache, lumbago, arthritis, neuralgia, strains, bruises, and sprains.