chengdu shuode pharmaceutical co., ltd - Medication Listings

Methylene blue is an oxidation-reduction agent. Its chemical name is 3,7-bis(dimethylamino)phenothiazin-5-ium, chloride hydrate. The molecular formula of methylene blue is C 16 H 18 ClN 3 S.xH 2 O and its molecular weight of 319.85 g/mol for the anhydrous form. The structural formula of methylene blue is: Methylene blue injection, USP is a sterile solution intended for intravenous administration. Each mL of solution contains 5 mg methylene blue and water for injection. Hydrochloric acid added for pH adjustment. Methylene blue injection, USP: is a clear dark blue solution with a pH value between 3.0 and 4.5. The osmolality is between 10 and 15 mOsm/kg. Methylene blue injection, USP strength is expressed in terms of trihydrate. structural formula

Nalmefene Hydrochloride Injection Rx only DESCRIPTION Nalmefene Hydrochloride Injection, an opioid antagonist, is a 6-methylene analogue of naltrexone. The chemical structure is shown below: Molecular Formula: C 21 H 25 NO 3 •HCl•H 2 O Molecular Weight: 393.91, CAS # 1228646-72-7 Chemical Name: 17-(Cyclopropylmethyl)-4,5α-epoxy-6-methylenemorphinan-3,14-diol, hydrochloride salt, monohydrate Nalmefene hydrochloride is a white to almost white crystalline powder which is freely soluble in water up to 130 mg/mL and slightly soluble in chloroform up to 0.13 mg/mL, with a pK a of 7.6. Nalmefene Hydrochloride Injection is available as a sterile solution for intravenous, intramuscular, and subcutaneous administration in two concentrations, containing 100 µg or 1.0 mg of nalmefene free base per mL. The 100 µg/mL concentration contains 110.8 µg of nalmefene hydrochloride and the 1.0 mg/mL concentration contains 1.108 mg of nalmefene hydrochloride per mL. Both concentrations contain 9.0 mg of sodium chloride per mL and the pH is adjusted in the range of 3.3-3.5 with hydrochloric acid. Concentrations and dosages of Nalmefene Hydrochloride Injection are expressed as the free base equivalent of nalmefene. image description

Nicardipine hydrochloride is a calcium ion influx inhibitor (slow channel blocker or calcium channel blocker). Nicardipine hydrochloride injection, USP for intravenous administration contains 2.5 mg/mL of nicardipine hydrochloride. Nicardipine hydrochloride is a dihydropyridine derivative with IUPAC (International Union of Pure and Applied Chemistry) chemical name (±)-2-(benzyl-methyl amino) ethyl methyl 1,4-dihydro-2, 6-dimethyl-4- (m-nitrophenyl)-3,5-pyridinedicarboxylate monohydrochloride and has the following structure: Nicardipine hydrochloride is a pale yellow to yellow, odorless, powder or crystalline powder that has a melting point range of 179- 188 o C (Melt with decomposition). It is soluble in methanol and glacial acetic acid, sparingly soluble in ethanol and chloroform, practically insoluble in ethyl ether and water. It has a molecular weight of 515.99. Nicardipine hydrochloride injection, USP is available as a sterile, non-pyrogenic, clear, yellow solution in 10 mL vials for intravenous infusion after dilution. Each mL contains 2.5 mg nicardipine hydrochloride, 0.305 mg benzoic acid, USP and 7.5 mg sodium chloride, USP, in Water for Injection, USP. Sodium hydroxide, NF, (q.s.) may have been added to adjust pH to 3.2 to 4.2. image description