Temozolomide EP Impurity D

Name: Temozolomide EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-023853

About Temozolomide EP Impurity D

Vaqora Chemicals supplies Temozolomide EP Impurity D, a pharmacopeial impurity of Temozolomide registered under CAS number 7008-85-7. The compound has the formula C4H3N5O, corresponding to a molecular weight of 137.1 g/mol. Systematically, it is named 5-diazoimidazole-4-carboxamide. It is also known as Temozolomide EP Impurity D (Free Base) or Temozolomide - Impurity D.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Temozolomide, 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.

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 Temozolomide

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

Temozolomide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Temozolomide EP Impurity D
Catalogue No.	VQ-023853
CAS Number	7008-85-7
IUPAC name	5-diazoimidazole-4-carboxamide
Molecular formula	C₄H₃N₅O
Molecular weight	137.1 g/mol
Exact mass	137.0338
Grade	Reference Standard
HSN code	38229090
InChIKey	IKZLMSPFYNDYIL-UHFFFAOYSA-N
SMILES	C1=NC(=[N+]=[N-])C(=N1)C(=O)N
PubChem CID	53426585

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	1 / 2
TPSA	69.8 Å²
Synonyms	Temozolomide EP Impurity D (Free Base), Temozolomide - Impurity D, Temozolomide USP Related Compound A, Temozolomide Related Compound A, 4-Diazo-4H-imidazole-5-carboxamide, Diazo-IC, 5-diazo-imidazole-4-carboxamide, Imidazole-4-carboxamide, 5-diazo-, 4H-Imidazole-5-carboxamide, 4-diazo-, 4-Carbamoyl-5-diazonioimidazol-1-ide, 4-Diazo-4H -imidazole-5-carboxamide, 4-diazonio-1H-imidazole-5-carboximidate

Safety & hazard information (GHS)

Flammable

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H228Flammable solid
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P210, P240, P241, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P405

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 D?

The CAS Registry Number of Temozolomide EP Impurity D is 7008-85-7. It is also known as Temozolomide EP Impurity D (Free Base), Temozolomide - Impurity D, Temozolomide USP Related Compound A.

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

Temozolomide EP Impurity D has the molecular formula C4H3N5O and a molecular weight of 137.1 g/mol. Its IUPAC name is 5-diazoimidazole-4-carboxamide.

What is Temozolomide EP Impurity D used for?

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

We supply Temozolomide EP Impurity D 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 D?

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

Yes. Temozolomide EP Impurity D 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.