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Argatroban Injection, USP Description

11 DESCRIPTION

Argatroban is a synthetic direct thrombin inhibitor and the chemical name is 1-[5-[(aminoiminomethyl)amino] 1-oxo-2-[[(1,2,3,4-tetrahydro-3-methyl-8-quinolinyl)sulfonyl]amino]pentyl]-4-methyl-2-piperidinecarboxylic acid, monohydrate. Argatroban has 4 asymmetric carbons. One of the asymmetric carbons has an R configuration (stereoisomer Type I) and an S configuration (stereoisomer Type II). Argatroban consists of a mixture of R and S stereoisomers at a ratio of approximately 65:35.

The molecular formula of argatroban is C23H36N6O5S•H2O. Its molecular weight is 526.66 g/mol. The structural formula is:

Argatroban-structural formula

Argatroban is a white, odorless crystalline powder that is freely soluble in glacial acetic acid, slightly soluble in ethanol, and insoluble in acetone, ethyl acetate, and ether.

Argatroban Injection is a sterile clear, colorless to pale yellow, slightly viscous solution in a single-dose amber vial containing 250 mg/2.5 mL of argatroban. Each mL of sterile, nonpyrogenic solution contains 100 mg argatroban, 300 mg D-sorbitol, and 400 mg dehydrated alcohol in water for injection.

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