Temozolomide, ≥98%

Name: Temozolomide, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-012214

About Temozolomide, ≥98%

Vaqora Chemicals supplies Temozolomide, an imidazole derivative registered under CAS number 85622-93-1, specified at ≥98% purity. The compound has the formula C6H6N6O2, corresponding to a molecular weight of 194.15 g/mol. The IUPAC name is 3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide. It is also known as Methazolastone or Temodal.

It is supplied as a white to light brown powder. Recommended storage is at 2–8 °C, with the container kept tightly sealed. It carries the GHS signal word “Danger” with 12 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 500 mg and 5 g packs, Temozolomide is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Temozolomide, ≥98%
Catalogue No.	VQ-012214
CAS Number	85622-93-1
IUPAC name	3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide
Molecular formula	C₆H₆N₆O₂
Molecular weight	194.15 g/mol
Exact mass	194.0552
Purity / assay	≥98%
HSN code	28469090
InChIKey	BPEGJWRSRHCHSN-UHFFFAOYSA-N
SMILES	CN1C(=O)N2C=NC(=C2N=N1)C(=O)N
PubChem CID	5394

Physical properties
Physical form	Powder
Appearance	White to light brown powder
LogP (XLogP3)	-1.1
H-bond donors / acceptors	1 / 5
TPSA	106 Å²
Storage	2–8 °C
Synonyms	3,4-Dihydro-3-methyl-4-oxoimidazo[5,1-d]-1,2,3,5-tetrazine-8-carboxamide, 3-Methyl-4-oxo-8-imidazolo[5,1-d][1,2,3,5]tetrazinecarboxamide, Methazolastone, Temodal, 3-methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide, Temozolamide, 8-Carbamoyl-3-methylimidazo(5,1-d)-1,2,3,5-tetrazin-4(3H)-one, 3,4-Dihydro-3-methyl-4-oxoimidazo(5,1-d)-1,2,3,5-tetrazine-8-carboxamide, 3-Methyl-4-oxo-3,4-dihydroimidazo(5,1-d)(1,2,3,5)tetrazine-8-carboxamide, 3,4-Dihydro-3-methyl-4-oxoimidazo(5,1-d)-as-tetrazine-8-carboxamide, 3-methyl-4-oxo-3H,4H-imidazo[4,3-d][1,2,3,5]tetrazine-8-carboxamide, Imidazo(5,1-d)(1,2,3,5)tetrazine-8-carboxamide, 3,4-dihydro-3-methyl-4-oxo-

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H204Fire or projection hazard
H300Fatal if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H340May cause genetic defects
H341Suspected of causing genetic defects
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P210, P230, P234, P236, P240, P250, P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317

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, ≥98%?

The CAS Registry Number of Temozolomide, ≥98% is 85622-93-1. It is also known as 3,4-Dihydro-3-methyl-4-oxoimidazo[5,1-d]-1,2,3,5-tetrazine-8-carboxamide, 3-Methyl-4-oxo-8-imidazolo[5,1-d][1,2,3,5]tetrazinecarboxamide, Methazolastone.

What is the molecular formula and molecular weight of Temozolomide, ≥98%?

Temozolomide, ≥98% has the molecular formula C6H6N6O2 and a molecular weight of 194.15 g/mol. Its IUPAC name is 3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide.

Which grade and pack sizes of Temozolomide, ≥98% can I order?

We supply Temozolomide, ≥98% in (≥98%) grade, in 500 mg, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Temozolomide, ≥98%?

Yes. Every lot of Temozolomide, ≥98% 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, ≥98% be shipped internationally?

Yes. Temozolomide, ≥98% 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.

How should Temozolomide, ≥98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.