Chemical name: 5-ethyldihydro-5-phenyl-4,6 (1H, 5H)-pyrimidinedione. Structural formula: Mysoline® (primidone) is a white, crystalline, highly stable substance, M.P. 279-284°C. It is poorly soluble in water (60 mg per 100 mL at 37°C) and in most organic solvents. It possesses no acidic… Continue Reading

Meropenem and Sodium Chloride

Meropenem for injection is a sterile, pyrogen-free, synthetic, carbapenem antibacterial drug for intravenous administration. Meropenem is (4,5,6)-3- [[(3,5)-5-(Dimethylcarbamoyl)-3-pyrrolidinyl]thio]-6-[(1)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid trihydrate. Its empirical formula is CHNOS•3HO with a molecular weight of 437.52. Its structural formula is: Meropenem for injection is a white to… Continue Reading


MORPHABOND ER (morphine sulfate) extended-release tablets are for oral use and contain morphine sulfate, an opioid agonist. Each tablet contains the following inactive ingredients common to all strengths: hypromellose, xanthan gum, microcrystalline cellulose, sodium alginate, alginic acid, mannitol, colloidal silicon dioxide,… Continue Reading

Methylphenidate HCl Oral Solution

Methylphenidate HCl Oral Solution is a mild central nervous system (CNS) stimulant available as 5 mg/5 mL and 10 mg/5 mL oral solutions for oral administration. Methylphenidate hydrochloride is methyl α-phenyl-2-piperidineacetate hydrochloride, and its structural formula is Methylphenidate hydrochloride USP… Continue Reading


Moderiba (ribavirin, USP) is a nucleoside analogue with antiviral activity. The chemical name of ribavirin is 1-β-D-ribofuranosyl-1-1,2,4-triazole-3-carboxamide and has the following structural formula: The molecular formula of ribavirin is CHNO and the molecular weight is 244.2. Ribavirin is a white… Continue Reading

Methylphenidate Hydrochloride (LA)

Methylphenidate hydrochloride, USP is a central nervous system (CNS) stimulant. Methylphenidate hydrochloride extended-release capsules (LA) are an extended-release formulation of methylphenidate with a bi-modal release profile. Each bead-filled methylphenidate hydrochloride extended-release capsule (LA) contains half the dose as immediate-release beads… Continue Reading


Mitomycin is an antibiotic isolated from the broth of which has been shown to have antimetabolic activity. Mitomycin is a blue-violet crystalline powder with the molecular formula of CHNO and a molecular weight of 334.33. Its chemical name is 7-amino-9α-methoxymitosane… Continue Reading


Mono-Linyah is a combination oral contraceptive containing the progestational compound norgestimate and the estrogenic compound ethinyl estradiol. Norgestimate is designated as (18,19-Dinor-17-pregn-4-en-20-yn-3-one,17-(acetyloxy)-13-ethyl-, oxime,(17  )(+)-) and ethinyl estradiol is designated as (19-nor-17  -pregna,1,3,5(10)-trien-20-yne-3,17-diol).