Azathioprine
[CAS# 446-86-6]

Identification

• Classification: Biochemical >> Inhibitor >> Immune inhibitor
• Name: Azathioprine
• Synonyms: 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-1H-purine; 6-((1-Methyl-4-nitroimidazol-5-yl)thio)purine; 6-(Methyl-p-nitro-5-imidazolyl)-thiopurine
• Molecular Formula: C₉H₇N₇O₂S
• Molecular Weight: 277.26
• CAS Registry Number: 446-86-6
• EC Number: 207-175-4

Properties

• Melting point: 243-244 °C
• Water solubility: <0.1 g/100 mL at 23 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Carcinogenicity	Carc.	1A	H350
Germ cell mutagenicity	Muta.	1A	H340
Reproductive toxicity	Repr.	1A	H360
Carcinogenicity	Carc.	1B	H350
Germ cell mutagenicity	Muta.	1B	H340
Reproductive toxicity	Repr.	1B	H360
Reproductive toxicity	Repr.	2	H361
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin sensitization	Skin Sens.	1	H317