Azathioprine EP Impurity E Sodium Salt

Name: Azathioprine EP Impurity E Sodium Salt
Brand: Vaqora Chemicals
SKU: VQ-024466

About Azathioprine EP Impurity E Sodium Salt

Azathioprine EP Impurity E Sodium Salt is a pharmacopeial impurity of Azathioprine carrying the CAS registry number 35681-68-6. Formula C4H4N3NaO3, molecular weight 165.08 g/mol. Systematically, it is named sodium 3-methyl-5-nitroimidazol-4-olate. Alternative names: Azathioprine EP Impurity E and Azathioprine EP Impurity E Sodium.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Azathioprine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Azathioprine

View every impurity, metabolite and intermediate we list for Azathioprine.

Azathioprine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Azathioprine EP Impurity E Sodium Salt
Catalogue No.	VQ-024466
CAS Number	35681-68-6
IUPAC name	sodium 3-methyl-5-nitroimidazol-4-olate
Molecular formula	C₄H₄N₃NaO₃
Molecular weight	165.08 g/mol
Exact mass	165.015
Grade	Reference Standard
HSN code	38229090
InChIKey	VKDKQRVWAYCZEM-UHFFFAOYSA-M
SMILES	CN1C=NC(=C1[O-])[N+](=O)[O-].[Na+]
PubChem CID	139025327

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 4
TPSA	86.7 Å²
Synonyms	Azathioprine 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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Azathioprine EP Impurity E Sodium Salt?

The CAS Registry Number of Azathioprine EP Impurity E Sodium Salt is 35681-68-6. It is also known as Azathioprine EP Impurity E, Azathioprine EP Impurity E Sodium, Azathioprine EP Impurity E Na Salt.

What is the molecular formula and molecular weight of Azathioprine EP Impurity E Sodium Salt?

Azathioprine EP Impurity E Sodium Salt has the molecular formula C4H4N3NaO3 and a molecular weight of 165.08 g/mol. Its IUPAC name is sodium 3-methyl-5-nitroimidazol-4-olate.

What is Azathioprine EP Impurity E Sodium Salt used for?

Azathioprine EP Impurity E Sodium Salt is supplied as a characterised reference material related to Azathioprine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Azathioprine EP Impurity E Sodium Salt can I order?

We supply Azathioprine EP Impurity E Sodium Salt in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Azathioprine EP Impurity E Sodium Salt?

Yes. Every lot of Azathioprine EP Impurity E Sodium Salt is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Azathioprine EP Impurity E Sodium Salt be shipped internationally?

Yes. We export Azathioprine EP Impurity E Sodium Salt worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.