Enalapril Maleate

Enalapril maleate is the maleate salt of enalapril, the ethyl ester of a long-acting angiotensin converting enzyme inhibitor, enalaprilat. Enalapril maleate is chemically described as (S)-1-[N-[1-(ethoxycarbonyl)-3-phenylpropyl]-L-alanyl]-L-proline, (Z)-2-butenedioate salt (1:1). Its chemical formula is CHNO•CHO, and its structural formula is: Enalapril… Continue Reading

Epirubicin Hydrochloride

Epirubicin Hydrochloride Injection is an anthracycline cytotoxic agent, intended for intravenous administration. Epirubicin Hydrochloride Injection is supplied as a sterile, clear, red solution and is available in glass vials containing 50 and 200 mg of epirubicin hydrochloride as a preservative-free,… Continue Reading


Erythromycin Pledgets, USP contains erythromycin ((3*,4*,5*,6*,7*,9*,11*,12*,13*,14*)-4-[(2,6-Dideoxy-3–methyl-3–methyl-α⌊–hexopyranosyl)-oxy]-14-ethyl-7,12,13-trihydroxy 3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-d–hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione), for topical dermatologic use. Erythromycin is a macrolide antibiotic produced from a strain of (formerly ). It is a base and readily forms salts with acids. Chemically, erythromycin is CHNO. It has the… Continue Reading


Estraderm (estradiol transdermal system) is designed to release estradiol through a rate-limiting membrane continuously upon application to intact skin.    Two systems are available to provide nominal delivery of 0.05 or 0.1 mg of estradiol per day via skin of average… Continue Reading


Endrate (Edetate Disodium Injection, USP) is a sterile, nonpyrogenic, concentrated solution of edetate disodium in water for injection which as a result of a pH adjustment with sodium hydroxide contains varying amounts of disodium and trisodium salts. After dilution, it… Continue Reading


ENLON is a short and rapid-acting cholinergic drug. Chemically, edrophonium chloride is ethyl(m-hydroxyphenyl) dimethylammonium chloride and its structural formula is: Each mL contains, in a sterile solution, 10 mg edrophonium chloride compounded with 0.45% phenol as a preservative, and 0.2% sodium… Continue Reading


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: The molecular formula… Continue Reading


ENLON-PLUS (edrophonium chloride, USP and atropine sulfate, USP) Injection, for intravenous use, is a sterile, nonpyrogenic, nondepolarizing neuromuscular relaxant antagonist. ENLON-PLUS is a combination drug containing a rapid acting acetylcholinesterase inhibitor, edrophonium chloride, and an anticholinergic, atropine sulfate. Chemically, edrophonium… Continue Reading