Allopurinol EP Impurity C

Name: Allopurinol EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-021494

About Allopurinol EP Impurity C

Listed under CAS 1346604-13-4, Allopurinol EP Impurity C is a pharmacopeial impurity of Allopurinol available from Vaqora Chemicals. The compound has the formula C6H6N6O, corresponding to a molecular weight of 178.15 g/mol. The IUPAC name is 5-(1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide. Common synonyms include Allopurinol - Impurity C and Allopurinol Impurity C.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Allopurinol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Allopurinol EP Impurity C 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 Allopurinol

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

Allopurinol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Allopurinol EP Impurity C
Catalogue No.	VQ-021494
CAS Number	1346604-13-4
IUPAC name	5-(1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide
Molecular formula	C₆H₆N₆O
Molecular weight	178.15 g/mol
Exact mass	178.0603
Grade	Reference Standard
HSN code	38229090
InChIKey	LMEGOYJADZSMBE-UHFFFAOYSA-N
SMILES	C1=NNC(=C1C(=O)N)N2C=NN=C2
PubChem CID	53396993

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.4
H-bond donors / acceptors	2 / 4
TPSA	102 Å²
Synonyms	Allopurinol - Impurity C, Allopurinol EP Impurity C, allopurinol USP rc c, Allopurinol Impurity C, 5-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide, 1H-Pyrazole-4-carboxamide, 3-(4H-1,2,4-triazol-4-yl)-, 3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide, Allopurinol-001, synthesis-005

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 Allopurinol EP Impurity C?

The CAS Registry Number of Allopurinol EP Impurity C is 1346604-13-4. It is also known as Allopurinol - Impurity C, Allopurinol EP Impurity C, allopurinol USP rc c.

What is the molecular formula and molecular weight of Allopurinol EP Impurity C?

Allopurinol EP Impurity C has the molecular formula C6H6N6O and a molecular weight of 178.15 g/mol. Its IUPAC name is 5-(1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide.

What is Allopurinol EP Impurity C used for?

Allopurinol EP Impurity C is supplied as a characterised reference material related to Allopurinol. 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 Allopurinol EP Impurity C can I order?

We supply Allopurinol EP Impurity C 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 Allopurinol EP Impurity C?

Yes. Every lot of Allopurinol EP Impurity C 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 Allopurinol EP Impurity C be shipped internationally?

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