Temozolomide EP Impurity A

Name: Temozolomide EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-034088

About Temozolomide EP Impurity A

Vaqora Chemicals supplies Temozolomide EP Impurity A, a pharmacopeial impurity of Dacarbazine registered under CAS number 360-97-4. Formula C4H6N4O, molecular weight 126.12 g/mol. The IUPAC name is 4-amino-1H-imidazole-5-carboxamide. It is also known as Dacarbazine Impurity B or Dacarbazine - Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Dacarbazine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Temozolomide EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Dacarbazine

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

Dacarbazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Temozolomide EP Impurity A
Catalogue No.	VQ-034088
CAS Number	360-97-4
IUPAC name	4-amino-1H-imidazole-5-carboxamide
Molecular formula	C₄H₆N₄O
Molecular weight	126.12 g/mol
Exact mass	126.0542
Grade	Reference Standard
HSN code	38229090
InChIKey	DVNYTAVYBRSTGK-UHFFFAOYSA-N
SMILES	C1=NC(=C(N1)C(=O)N)N
PubChem CID	9679

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	3 / 3
TPSA	97.8 Å²
Synonyms	Dacarbazine Impurity B, Dacarbazine - Impurity B, Temozolomide - Impurity A, 5-Aminoimidazole-4-carboxamide, 5-amino-1H-imidazole-4-carboxamide, 4-Amino-5-imidazolecarboxamide, Aminoimidazole carboxamide, 5-Aminoimidazol-4-carboxamide, 4-Amino-5-imidazole carboxamide, 4-amino-5-carbamoylimidazole, 5-Amino-4-imidazolecarboxyamide, 5(4)-amino-4(5)-imidazolecarboxamide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Temozolomide EP Impurity A?

The CAS Registry Number of Temozolomide EP Impurity A is 360-97-4. It is also known as Dacarbazine Impurity B, Dacarbazine - Impurity B, Temozolomide - Impurity A.

What is the molecular formula and molecular weight of Temozolomide EP Impurity A?

Temozolomide EP Impurity A has the molecular formula C4H6N4O and a molecular weight of 126.12 g/mol. Its IUPAC name is 4-amino-1H-imidazole-5-carboxamide.

What is Temozolomide EP Impurity A used for?

Temozolomide EP Impurity A is supplied as a characterised reference material related to Dacarbazine. 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 Temozolomide EP Impurity A can I order?

We supply Temozolomide EP Impurity A 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 Temozolomide EP Impurity A?

Yes. Every lot of Temozolomide EP Impurity A 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 Temozolomide EP Impurity A be shipped internationally?

Yes. Temozolomide EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.