qingdao baheal pharmaceutical co., ltd. - Medication Listings

Celecoxib capsule is a nonsteroidal anti-inflammatory drug, available as capsules containing 50 mg, 100 mg, 200 mg and 400 mg celecoxib for oral administration. The chemical name is 4-[5-(4-methylphenyl)- 3-(trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide and is a diaryl-substituted pyrazole. The molecular weight is 381.38. Its molecular formula is C 17 H 14 F 3 N 3 O 2 S, and it has the following chemical structure: Celecoxib is a white to off-white powder with a pKa of 11.1 (sulfonamide moiety). Celecoxib is hydrophobic (log P is 3.5) and is practically insoluble in aqueous media at physiological pH range. The inactive ingredients in celecoxib capsules include: croscarmellose sodium, lactose monohydrate, magnesium stearate, povidone and sodium lauryl sulfate. The empty hard gelatin capsule shells contain gelatin and titanium dioxide. The capsules are imprinted with edible ink containing propylene glycol and shellac. In addition, 50 mg capsules are imprinted with N-butyl alcohol, FD&C yellow No.6, D&C red No.7 and titanium dioxide. 100 mg capsules are imprinted with N-butyl alcohol, strong ammonia solution, titanium dioxide and FD&C blue No.1 aluminum lake. 200 mg capsules are imprinted with iron oxide yellow, N-butyl alcohol, ammonium hydroxide and simethicone. 400 mg capsules are imprinted with N-butyl alcohol, strong ammonia solution, titanium dioxide, FD&C blue No.1 aluminum lake and FD&C yellow No.10 aluminum lake. Chemical Structure

Duloxetine delayed-release capsules USP are a selective serotonin and norepinephrine reuptake inhibitor (SNRI) for oral administration. Its chemical designation is (+)-(S)-N-methyl-γ-(1-naphthyloxy)-2-thiophenepropylamine hydrochloride. The empirical formula is C 18 H 19 NOS•HCl, which corresponds to a molecular weight of 333.88. The structural formula is: Duloxetine hydrochloride is a white to slightly brownish white solid, which is slightly soluble in water. Each capsule contains enteric-coated pellets of 22.4, 33.7, or 67.3 mg of duloxetine hydrochloride equivalent to 20, 30, or 60 mg of duloxetine, respectively. These enteric-coated pellets are designed to prevent degradation of the drug in the acidic environment of the stomach. Inactive ingredients include hypromellose, hypromellose acetate succinate, sugar spheres (containing corn starch), sucrose, talc, triethyl citrate, gelatin, titanium dioxide, brilliant blue FCF - FD&C Blue 1. The 20mg and 60mg capsules also contain erythrosine -FD&C Red 3. FDA approved dissolution test specifications differ from USP. Duloxetine delayed-release capsules USP

Metformin hydrochloride extended-release tablets contain the biguanidine antihyperglycemic agent, metformin, in the form of monohydrochloride salt. The chemical name of metformin HCl is N, N-dimethylimidodicarbonimidic diamide hydrochloride with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. Its structural formula is: Metformin HCl is a white or almost white crystals powder that is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin HCl is 6.68. Metformin hydrochloride extended-release tablets deliver 500 mg or 1,000 mg of metformin HCl, which is equivalent to 389.93 mg or 779.86 mg metformin, respectively. In addition to the active ingredient metformin HCl, each tablet contains the following inactive ingredients: Povidone, Sodium Lauryl Sulfate, Magnesium Stearate, Cellulose Acetate, Polyethylene Glycol (PEG 400, PEG 8000), Triacetin, Hypromellose, Titanium Dioxide, Polysorbate 80, Ferrosoferric Oxide, Shellac. Metformin Meets USP Dissolution Test 5. structural-formula