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diltiazem hydrochloride for injection Description

DESCRIPTION

Diltiazem hydrochloride is a calcium ion cellular influx inhibitor (slow channel blocker or calcium channel 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 chemical structure is:

Chemical Structure

Diltiazem hydrochloride is a white to off-white crystalline powder with a bitter taste. It is soluble in water, methanol, and chloroform. It has a molecular weight of 450.98.

Diltiazem hydrochloride injection is a clear, colorless, sterile, nonpyrogenic solution. It has a pH range of 3.7 to 4.1.

Diltiazem hydrochloride injection is for direct intravenous bolus injection and continuous intravenous infusion.

25-mg, 5-mL vial-each sterile vial contains 25 mg diltiazem hydrochloride, 3.75 mg citric acid USP, 3.25 mg sodium citrate dihydrate USP, 250 mg sorbitol NF and water for injection USP up to 5 mL. Sodium hydroxide or hydrochloric acid is used for pH adjustment.

50-mg, 10-mL vial-each sterile vial contains 50 mg diltiazem hydrochloride, 7.5 mg citric acid USP, 6.5 mg sodium citrate dihydrate USP, 500 mg sorbitol NF and water for injection USP up to 10 mL. Sodium hydroxide or hydrochloric acid is used for pH adjustment.

Diltiazem hydrochloride for injection is an off-white lyophilized powder and, after reconstitution in an infusion bag, produces a clear, colorless, sterile, nonpyrogenic solution.

Diltiazem hydrochloride for injection for continuous intravenous infusion is available in ADD-Vantage Vials. The vial contains lyophilized powder comprised of diltiazem hydrochloride 100 mg and mannitol USP 75 mg for reconstitution in the ADD-Vantage Flexible Diluent Container containing 5% dextrose injection or 0.9% sodium chloride injection.

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