5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester

Also known as: 4-[5-[Bis(2-hydroxyethyl)amino]-1-methylbenzimidazol-2-yl]butanoic acid ethyl ester, Ethyl 4-(5-(bis(2-hydroxyethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate, 5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester, [1-Methyl-5-bis(2'-hydroxyethyl)aminobenzimidazolyl-2]butanoic acid ethyl ester, Bendamustine Impurity 1, Bendamustine Related Impurity 1, 1H-Benzimidazole-2-butanoic acid, 5-[bis(2-hydroxyethyl)amino]-1-methyl-, ethyl ester, Ethyl 4-(5-(bis(2-hydroxyethyl)amino)-1-methyl-1H-1,3-benzodiazol-2-yl)butanoate

5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester (CAS 3543-74-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H27N3O4 and a molecular weight of 349.425 g/mol. Key properties include a boiling point of 580.6±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 305.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3543-74-6

Jingsj CID

J-1162343-1

Molecular Formula

C₁₈H₂₇N₃O₄

Molecular Weight

349.425 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026