Azathioprine EP Impurity E

Name: Azathioprine EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-024066

About Azathioprine EP Impurity E

Azathioprine EP Impurity E (CAS 73703-74-9) is a pharmacopeial impurity of Azathioprine offered by Vaqora Chemicals. With the molecular formula C4H5N3O3, it has a molar mass of 143.1 g/mol. The IUPAC name is 3-methyl-5-nitroimidazol-4-ol. It is also known as Azathioprine BP Impurity E or Azathioprine - Impurity E.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Azathioprine EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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
Catalogue No.	VQ-024066
CAS Number	73703-74-9
IUPAC name	3-methyl-5-nitroimidazol-4-ol
Molecular formula	C₄H₅N₃O₃
Molecular weight	143.1 g/mol
Exact mass	143.0331
Grade	Reference Standard
HSN code	38229090
InChIKey	AHFJNVHKYUDTAQ-UHFFFAOYSA-N
SMILES	CN1C=NC(=C1O)[N+](=O)[O-]
PubChem CID	10464427

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	1 / 4
TPSA	83.9 Å²
Synonyms	Azathioprine BP Impurity E, Azathioprine - Impurity E, 1-Methyl-4-nitro-5-hydroxyimidazole, 1H-Imidazol-5-ol, 1-methyl-4-nitro-, 5-Hydroxy-1-methyl-4-nitroimidazole, 1-Methyl-4-nitro-1H-imidazol-5-ol, 1-methyl-5-hydroxy-4-nitro-imidazole

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?

The CAS Registry Number of Azathioprine EP Impurity E is 73703-74-9. It is also known as Azathioprine BP Impurity E, Azathioprine - Impurity E, 1-Methyl-4-nitro-5-hydroxyimidazole.

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

Azathioprine EP Impurity E has the molecular formula C4H5N3O3 and a molecular weight of 143.1 g/mol. Its IUPAC name is 3-methyl-5-nitroimidazol-4-ol.

What is Azathioprine EP Impurity E used for?

Azathioprine EP Impurity E 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 can I order?

We supply Azathioprine EP Impurity E 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?

Yes. Every lot of Azathioprine EP Impurity E 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 be shipped internationally?

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