Each ESBRIET capsule contains 267 mg of pirfenidone, which belongs to the chemical class of pyridone. ESBRIET is available as a white hard gelatin capsule for oral administration. The chemical name of pirfenidone is 5-methyl-1-phenyl-2-1(H)-pyridone. It has a molecular formula… Continue Reading


E-Z-PASTE Barium Sulfate Esophageal Cream (60% w/w) is a barium sulfate cream for oral administration. Each 100 g contains 60 g barium sulfate. Barium sulfate, due to its high molecular density is opaque to x-rays and, therefore, acts as a… Continue Reading


Eszopiclone is a nonbenzodiazepine hypnotic agent that is a pyrrolopyrazine derivative of the cyclopyrrolone class. The chemical name of eszopiclone is (+)-(5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b] pyrazin-5-yl 4-methylpiperazine-1-carboxylate. Its molecular weight is 388.82, and its empirical formula is CHClNO. Eszopiclone has a single chiral… Continue Reading


Hydroquinone is 1,4-benzenediol. The drug is freely soluble in water and in alcohol. Chemically, hydroquinone is designated as p-dihydroxybenzene; the empirical formula is CHO; the molecular weight is 110.11 g/mol. The chemical structure is in the diagram to the right.


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


EXTINA Foam contains 2% ketoconazole USP, an antifungal agent, in a thermolabile hydroethanolic foam for topical application. The chemical name for ketoconazole is piperazine, 1-acetyl-4-[4-[[2-(2,4-dichlorophenyl) -2-(1-imidazol-l-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-, – with the molecular formula CHClNO and a molecular weight of 531.43. The following… Continue Reading

Esomeprazole strontium

The active ingredient in the proton pump inhibitor esomeprazole strontium delayed-release capsules is bis(5‑ methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1-benzimidazole-1-yl) strontium tetrahydrate. Esomeprazole is the S-isomer of omeprazole, which is a mixture of the S- and R- isomers. The molecular formula of esomeprazole strontium is (CHNOS)·Sr·4HO with… Continue Reading


Ergotamine Tartrate and Caffeine Tablets USP ergotamine tartrate USP . . . . . . . . . . . . . . . . . .1 mg caffeine USP . . . . . . . . . .… Continue Reading


Effer-K Each 10 mEq tablet contains 1.0g potassium bicarbonate and 0.84g citric acid which, after effervescing, provides a solution containing 10 mEq (391 mg) of elemental potassium as potassium citrate. Each 20 mEq tablet contains 2.0g potassium bicarbonate and 1.68g… Continue Reading


EGRIFTA contains tesamorelin (as the acetate salt), an analog of human growth hormone-releasing factor (GRF). The peptide precursor of tesamorelin acetate is produced synthetically and is comprised of the 44 amino acid sequence of human GRF. Tesamorelin acetate is made… Continue Reading