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Azathioprine

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Azathioprine molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Azathioprine (CAS 446-86-6). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS446-86-6
Molecular formulaC9H7N7O2S
Molecular weight277.26 g/mol
IUPAC name6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine
SynonymsAzothioprine · Azanin · Azathioprin · Azamun · Azatioprin · Azasan
Safety & Hazards (GHS) Danger
Irritant Irritant Health hazard Health hazard
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H340 May cause genetic defects
  • H350 May cause cancer
  • H360 May damage fertility or the unborn child

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma AZATHIOPRINE A1500000
PHR1282-1G		 Request Quote
Sigma AZATHIOPRINE CRYSTALLINE A4638-1G Request Quote
Sigma AZATHIOPRINE, UNITED STATES PHARMACOPEIA 1046001-200MG Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.