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72002-25-6N-methyl-1H-imidazole-1-carboxamide

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Catalogue No.:	VE0028775
CAS No.:	72002-25-6
Mol. Formula:	C5H7N3O
Mol. Weight:	125.13 g/mol

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Additional information on CAS 72002-25-6

Parent drug

Temozolomide

IUPAC Name

N-Methylcarbamoylimidazole

Pharmacopeial Synonyms

N/A

Synonyms

N/A

Smiles

O=C(N1C=CN=C1)NC

InChI

InChI=1S/C5H7N3O/c1-6-5(9)8-3-2-7-4-8/h2-4H,1H3,(H,6,9)

Description

N-methyl-1H-imidazole-1-carboxamide, CAS 72002-25-6, is an imidazole carboxamide impurity with molecular formula C5H7N3O and molecular weight 125.13 g/mol. The structure contains an N-methylated imidazole nitrogen and a carboxamide substituent, consistent with a polar heteroaromatic intermediate or byproduct arising during amidation, cyclization, or N-alkylation steps in synthesis. Its low volatility and basic heteroatom pattern typically favor LC-MS/MS for trace quantification, with LC-HRMS supporting structural confirmation; GC-MS is less common unless derivatized. In a regulatory context, such heterocyclic impurities are assessed under impurity profiling and, when relevant, ICH M7 considerations for potentially reactive process-related species.