Ethyl 2-[3-[(E)-(hydroxyimino)methyl]-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylate

2-[3-[(羟基亚氨基)甲基]-4-(2-甲基丙氧基)苯基]-4-甲基-5-噻唑羧酸乙酯

Also known as: Febuxostat impurity 6, Febuxostat Impurity 6 (E), Febuxostat Impurity 10, Febuxostat Impurity 50, Febuxostat Impurity 51, Febuxostat-49, ethyl (E)-2-(3-((hydroxyimino)methyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate, ethyl 2-[3-((hydroxyimino)methyl)-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylate, 2-[3-[(HYDROXYIMINO)METHYL]-4-(2-METHYLPROPOXY)PHENYL]-4-METHYL-5-THIAZOLECARBOXYLIC ACID ETHYL ESTER

Ethyl 2-[3-[(E)-(hydroxyimino)methyl]-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylate (CAS 1271738-74-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H22N2O4S and a molecular weight of 362.443 g/mol. It is also known as Febuxostat impurity 6, Febuxostat Impurity 6 (E) and Febuxostat Impurity 10. Key properties include a boiling point of 516.9±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 266.4±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1271738-74-9

Jingsj CID

J-1988393-1

Molecular Formula

C₁₈H₂₂N₂O₄S

Chinese Name

2-[3-[(羟基亚氨基)甲基]-4-(2-甲基丙氧基)苯基]-4-甲基-5-噻唑羧酸乙酯

Molecular Weight

362.443 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026