Phenytoin sodium is an antiepileptic drug. Phenytoin sodium is related to the barbiturates in chemical structure, but has a five-membered ring. The chemical name is sodium 5,5-diphenyl-2, 4-imidazolidinedione, having the following structural formula: Each Dilantin— Extended Phenytoin Sodium Capsule, USP—contains… Continue Reading


DDAVP Tablets Mol. Wt. 1183.34         Empirical Formula: CHNOS • CHO • 3HO 1-(3-mercaptopropionic acid)-8-D-arginine vasopressin monoacetate (salt) trihydrate. DDAVP Tablets

Doxycycline Hyclate Capsules

Doxycycline hyclate is a. broad-spectrurn antibiotic synthetically derived from oxytetracycline. The structural formula is as follows: with a molecular formula of CHNO•HO and a molecular weight of 462.46. The chemical designation for doxycycline is 4-(Dimethylamino)- 1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrate. Doxycycline is a… Continue Reading


Dicyclomine hydrochloride is an antispasmodic and anticholinergic (antimuscarinic) agent available in the following form: Each capsule, for oral administration, contains 10 mg of dicyclomine hydrochloride. Each capsule also contains the following inactive ingredients: Corn Starch, Lactose Monohydrate, Magnesium Stearate, and… Continue Reading


Divalproex sodium is a stable co-ordination compound comprised of sodium valproate and valproic acid in a 1:1 molar relationship and formed during the partial neutralization of valproic acid with 0.5 equivalent of sodium hydroxide. Chemically it is designated as sodium… Continue Reading

Doxepin Hydrochloride

Doxepin hydrochloride is one of a class of psychotherapeutic agents known as dibenzoxepin tricyclic compounds. It is a white crystalline solid readily soluble in water, lower alcohols and chloroform. CHEMISTRY Doxepin hydrochloride is a dibenzoxepin derivative and is the first… Continue Reading


Each vial contains a sterile, pyrogen-free freeze-dried mixture of 1.0 mg dimercaptosuccinic acid, 0.42 mg stannous chloride dihydrate [0.38 mg (minimum) stannous chloride dihydrate (SnCl•2HO) and 0.46 mg (maximum) total tin expressed as stannous chloride dihydrate (SnCl•2HO)], 0.70 mg ascorbic… Continue Reading


The active ingredient in DIPENTUM Capsules (olsalazine sodium) is the sodium salt of a salicylate, disodium 3,3′-azobis (6-hydroxybenzoate) a compound that is effectively bioconverted to 5-aminosalicylic acid (5-ASA), which has anti-inflammatory activity in ulcerative colitis. Its empirical formula is CHNNaO… Continue Reading


Minocycline hydrochloride, a semisynthetic derivative of tetracycline, is 4,7-Bis(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride. The structural formula is represented below: CHNO.HCl                                                                                                                          M. W. 493.94 Each minocycline hydrochloride capsule, for oral administration, contains the equivalent of 50 mg, 75 mg or 100 mg of minocycline. In… Continue Reading

Diltiazem Hydrochloride Extended Release

Diltiazem hydrochloride is a calcium ion cellular influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride is 1,5-benzothiazepin-4(5H)one,3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2, 3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-. The structural formula is: Diltiazem hydrochloride is a white to off-white crystalline powder with a bitter taste.… Continue Reading