XENAZINE (tetrabenazine) is a monoamine depletor for oral administration. The molecular weight of tetrabenazine is 317.43; 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-methylpropyl)-2H-benzo[a]quinolizin-2-one. The empirical formula CHNOis represented by… Continue Reading
Vestronidase alfa-vjbk is a recombinant human lysosomal beta glucuronidase which is a purified human enzyme produced by recombinant DNA technology in a Chinese hamster ovary cell line. Purified vestronidase alfa-vjbk exists as a homotetramer, with each monomer consisting of 629 amino… Continue Reading
RYTHMOL SR (propafenone hydrochloride) is an antiarrhythmic drug supplied in extended-release capsules of 225, 325, and 425 mg for oral administration. Chemically, propafenone hydrochloride is 2’-[2-Hydroxy-3-(propylamino)-propoxy]-3-phenylpropiophenone hydrochloride, with a molecular weight of 377.92. The molecular formula is CHNO•HCl. Propafenone HCl has… Continue Reading
Hailey™ Fe 1/20 (norethindrone acetate and ethinyl estradiol tablets USP and ferrous fumarate tablets) is a progestogen-estrogen combination. Hailey Fe 1/20 (norethindrone acetate and ethinyl estradiol tablets USP and ferrous fumarate tablets): provides a continuous dosage regimen consisting of 21… Continue Reading
Lidocaine Ointment USP, 5% contains a local anesthetic agent and is administered topically. See INDICATIONS AND USAGE for specific uses. Lidocaine Ointment USP, 5% contains lidocaine, which is chemically designated as acetamide, 2(diethylamino)-N-(2,6-dimethylphenyl)-, and has the following structural formula: Composition… Continue Reading
Activella 1 mg/0.5 mg is a single tablet for oral administration containing 1 mg of estradiol and 0.5 mg of norethindrone acetate and the following excipients: lactose monohydrate, starch (corn), copovidone, talc, magnesium stearate, hypromellose and triacetin. Activella 0.5 mg/0.1… Continue Reading
Tarina Fe 1/20 tablets are a progestogen-estrogen combination. Tarina Fe 1/20 provide a continuous dosage regimen consisting of 21 oral contraceptive tablets and seven ferrous fumarate tablets. The ferrous fumarate tablets are present to facilitate ease of drug administration via… Continue Reading
FIRAZYR (icatibant) is a synthetic decapeptide with five non-proteinogenic amino acids. The chemical structure of icatibant acetate is presented in Figure 1. Figure 1 Chemical Structure Chemical name: D-Arginyl-L-arginyl-L-prolyl-L[(4R)-4-hydroxyprolyl]-glycyl-L[3-(2-thienyl)alanyl]-L-seryl-D-(1,2,3,4-tetrahydroisoquinolin-3-ylcarbonyl)-L[(3aS,7aS)-octahydroindol-2-ylcarbonyl]-L-arginine, acetate salt FIRAZYR is provided as a sterile, isotonic, and buffered… Continue Reading
