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API Reference Standards

Azathioprine WS

Reference StandardIn stock

Azathioprine WS (CAS 446-86-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.

Pack sizes
Azathioprine WS chemical structure
CAS number446-86-6
FormulaC9H7N7O2S
Molar mass277.27 g/mol
Physical formSolid
HS code38229090
InChIKeyLMEKQMALGUDUQG-UHFFFAOYSA-N
IUPAC name6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine

About Azathioprine WS

Zemixal lists Azathioprine WS for laboratories that identify, quantify or control Azathioprine and its related substances. For your records (Reference Standard), the material is defined by CAS 446-86-6, formula C9H7N7O2S and molar mass 277.27 g/mol. It is handled as a solid.

Where it is used

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Azathioprine

See every impurity, metabolite and related compound we list for this API.

Azathioprine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Azathioprine WS
Product nameAzathioprine WS
Catalogue numberZX-006405
CAS number446-86-6
IUPAC name6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine
Molecular formulaC9H7N7O2S
Molar mass277.27 g/mol
Exact mass277.0382
GradeReference Standard
Physical formSolid
XLogP30.1
H-bond donors / acceptors1 / 7
Topological polar surface area143 Ų
HS code38229090
InChIKeyLMEKQMALGUDUQG-UHFFFAOYSA-N
SMILESCN1C=NC(=C1SC2=NC=NC3=C2NC=N3)[N+](=O)[O-]
PubChem CID2265
Synonyms6-(1-Methyl-4-nitroimidazol-5-yl)thiopurine, 6-(1-Methyl-4-nitromidazol-5-ylthio)purine, 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-9H-purine, Azathioprine, Azamune, Azanin, Azoran, Imuran, Imurek, Imurel, Muran, Azothioprine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H340May cause genetic defects
  • H350May cause cancer
  • H360May damage fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Azathioprine WS
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Azathioprine WS

Which CAS number identifies Azathioprine WS?
Azathioprine WS is registered under CAS 446-86-6. You may also see it listed as 6-(1-Methyl-4-nitroimidazol-5-yl)thiopurine, 6-(1-Methyl-4-nitromidazol-5-ylthio)purine, 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-9H-purine. Our catalogue number for this item is ZX-006405.
What are the formula and molar mass of Azathioprine WS?
For Azathioprine WS, its formula is C9H7N7O2S and its molar mass is 277.27 g/mol. The systematic (IUPAC) name is 6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine. InChIKey LMEKQMALGUDUQG-UHFFFAOYSA-N lets you match it in any structure database.
How is Azathioprine WS used in pharmaceutical QC?
Azathioprine WS is a characterised reference material linked to Azathioprine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Azathioprine WS?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Azathioprine WS?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Azathioprine WS to my country?
Yes. Because Azathioprine WS is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Azathioprine standards

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