Lorazepam
[CAS# 846-49-1]

Identification

• Classification: API >> Nervous system medication >> Other nervous system medication
• Name: Lorazepam
• Synonyms: 7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepin-2-one
• Molecular Formula: C₁₅H₁₀Cl₂N₂O₂
• Molecular Weight: 321.16
• CAS Registry Number: 846-49-1
• EC Number: 212-687-6

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R63
• Safety Description: S36/37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Reproductive toxicity	Repr.	2	H361
Reproductive toxicity	Lact.	-	H362
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Specific target organ toxicity - single exposure	STOT SE	3	H336
Acute toxicity	Acute Tox.	4	H302
Reproductive toxicity	Repr.	1B	H360
Reproductive toxicity	Repr.	2	H361d
Specific target organ toxicity - repeated exposure	STOT RE	2	H373

• Controlled Substance: DEA Drug Code Number: 2885