Catalog #: 4099 Datasheet / COA / SDS

Discontinued Product

4099 has been discontinued.
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Azathioprine | CAS No. 446-86-6 | DNA, RNA and Protein Synthesis Compounds
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Description: Purine analog; prodrug of 6-mercaptopurine (Cat. No. 4103)

Chemical Name: 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-9H-purine

Purity: ≥99%

Product Details

Biological Activity

Azathioprine is a purine analog. Blocks DNA replication and the de novo pathway of purine synthesis. Immunosuppressive and anti-inflammatory drug; induces apoptosis in human T-lymphocytes. Prodrug of 6-mercaptopurine (Cat. No. 4103).

Technical Data

Soluble to 100 mM in DMSO
Store at -20°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.

Background References

  1. Azathioprine: old drug, new actions.
    Maltzman and Koretzky
    J.Clin.Invest., 2003;111:1122

Product Datasheets

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and CoA (available online).

⚠ WARNING: This product can expose you to chemicals including Azathioprine, which is known to the State of California to cause cancer. For more information, go to


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