LORAZEPAM INJECTION, USP
Rx only
CIV
DESCRIPTION
Lorazepam, a benzodiazepine with antianxiety and sedative and anticonvulsant effects, is intended for intramuscular or intravenous route of administration. It has the chemical formula 7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-2 H -1,4-benzodiazepin-2-one. The molecular weight is 321.16, and the C.A.S. No. is [846-49-1]. The molecular formula is C15H10Cl2N202. The structural formula is:
Lorazepam is a nearly white powder almost insoluble in water. Each mL of sterile injection contains either 2 or 4 mg of lorazepam, 0.18 mL polyethylene glycol 400 in propylene glycol with 2% benzyl alcohol as preservative.
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