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Pharmacopeial Impurities (EP / USP / BP)

Azathioprine EP Impurity E Sodium Salt

Reference StandardAvailable on request

Azathioprine EP Impurity E Sodium Salt (CAS 35681-68-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Azathioprine EP Impurity E Sodium Salt chemical structure
CAS number35681-68-6
FormulaC4H4N3NaO3
Molar mass165.08 g/mol
Physical formSolid
HS code38229090
InChIKeyVKDKQRVWAYCZEM-UHFFFAOYSA-M
IUPAC namesodium 3-methyl-5-nitroimidazol-4-olate

About Azathioprine EP Impurity E Sodium Salt

Azathioprine EP Impurity E Sodium Salt belongs to the Azathioprine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 35681-68-6, formula C4H4N3NaO3 and molar mass 165.08 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Azathioprine

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

Azathioprine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Azathioprine EP Impurity E Sodium Salt
Product nameAzathioprine EP Impurity E Sodium Salt
Catalogue numberZX-023462
CAS number35681-68-6
IUPAC namesodium 3-methyl-5-nitroimidazol-4-olate
Molecular formulaC4H4N3NaO3
Molar mass165.08 g/mol
Exact mass165.015
GradeReference Standard
Physical formSolid
H-bond donors / acceptors0 / 4
Topological polar surface area86.7 Ų
HS code38229090
InChIKeyVKDKQRVWAYCZEM-UHFFFAOYSA-M
SMILESCN1C=NC(=C1[O-])[N+](=O)[O-].[Na+]
PubChem CID139025327
SynonymsAzathioprine EP Impurity E, Azathioprine EP Impurity E Sodium, Azathioprine EP Impurity E Na Salt, Azathioprine - Impurity E (Sodium Salt), Sodium 1-methyl-4-nitro-1H-imidazol-5-olate, 1-Methyl-4-nitro-1H-imidazol-5-ol Sodium Salt, 5-Hydroxy-1-methyl-4-nitroimidazole Sodium Salt, 35681-68-6(sodium salt), 35681-68-6 (sodium salt), 1H-Imidazol-5-ol, 1-methyl-4-nitro-, sodium salt

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Azathioprine EP Impurity E Sodium Salt
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 EP Impurity E Sodium Salt

Which CAS number identifies Azathioprine EP Impurity E Sodium Salt?
Azathioprine EP Impurity E Sodium Salt is registered under CAS 35681-68-6. You may also see it listed as Azathioprine EP Impurity E, Azathioprine EP Impurity E Sodium, Azathioprine EP Impurity E Na Salt. Our catalogue number for this item is ZX-023462.
What are the formula and molar mass of Azathioprine EP Impurity E Sodium Salt?
For Azathioprine EP Impurity E Sodium Salt, its formula is C4H4N3NaO3 and its molar mass is 165.08 g/mol. The systematic (IUPAC) name is sodium 3-methyl-5-nitroimidazol-4-olate. InChIKey VKDKQRVWAYCZEM-UHFFFAOYSA-M lets you match it in any structure database.
How is Azathioprine EP Impurity E Sodium Salt used in pharmaceutical QC?
Azathioprine EP Impurity E Sodium Salt 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 EP Impurity E Sodium Salt?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Azathioprine EP Impurity E Sodium Salt?
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 EP Impurity E Sodium Salt to my country?
Yes. Azathioprine EP Impurity E Sodium Salt ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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