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Pharmacopeial Impurities (EP / USP / BP)

Temozolomide EP Impurity D

Reference StandardAvailable on request

Temozolomide EP Impurity D (CAS 7008-85-7) supplier Zemixal: C4H3N5O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-022869.

Pack sizes
Temozolomide EP Impurity D chemical structure
CAS number7008-85-7
FormulaC4H3N5O
Molar mass137.1 g/mol
Physical formSolid
HS code38229090
InChIKeyIKZLMSPFYNDYIL-UHFFFAOYSA-N
IUPAC name5-diazoimidazole-4-carboxamide

About Temozolomide EP Impurity D

Zemixal lists Temozolomide EP Impurity D for laboratories that identify, quantify or control Temozolomide and its related substances. Identity at a glance (Reference Standard): CAS 7008-85-7, formula C4H3N5O and molar mass 137.1 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H228, H302, H312 and H315. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Temozolomide

See every impurity, metabolite and related compound we list for this API.

Temozolomide standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Temozolomide EP Impurity D
Product nameTemozolomide EP Impurity D
Catalogue numberZX-022869
CAS number7008-85-7
IUPAC name5-diazoimidazole-4-carboxamide
Molecular formulaC4H3N5O
Molar mass137.1 g/mol
Exact mass137.0338
GradeReference Standard
Physical formSolid
XLogP3-0.7
H-bond donors / acceptors1 / 2
Topological polar surface area69.8 Ų
HS code38229090
InChIKeyIKZLMSPFYNDYIL-UHFFFAOYSA-N
SMILESC1=NC(=[N+]=[N-])C(=N1)C(=O)N
PubChem CID53426585
SynonymsTemozolomide 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Temozolomide EP Impurity D
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Temozolomide EP Impurity D

Which CAS number identifies Temozolomide EP Impurity D?
Temozolomide EP Impurity D is registered under CAS 7008-85-7. You may also see it listed as Temozolomide EP Impurity D (Free Base), Temozolomide - Impurity D, Temozolomide USP Related Compound A. Our catalogue number for this item is ZX-022869.
What are the formula and molar mass of Temozolomide EP Impurity D?
For Temozolomide EP Impurity D, its formula is C4H3N5O and its molar mass is 137.1 g/mol. The systematic (IUPAC) name is 5-diazoimidazole-4-carboxamide. InChIKey IKZLMSPFYNDYIL-UHFFFAOYSA-N lets you match it in any structure database.
How is Temozolomide EP Impurity D used in pharmaceutical QC?
Temozolomide EP Impurity D is a characterised reference material linked to Temozolomide. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Temozolomide EP Impurity D?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Temozolomide EP Impurity D?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Temozolomide EP Impurity D to my country?
Yes. Because Temozolomide EP Impurity D is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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