Scopine di(2-thienyl)glycolate

二(2-噻吩基)乙醇酸东莨菪酯

Also known as: Scopine-2,2-dithienyl glycolate, Tiotropium EP Impurity B, N-Demethyl Tiotropium, (1R,2R,4S,5S,7s)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate, 2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, (1R,2R,4S,5S)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester, Scopine di(2-thienylglycolate)

Scopine di(2-thienyl)glycolate (CAS 136310-64-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H19NO4S2 and a molecular weight of 377.478 g/mol. It is also known as Scopine-2,2-dithienyl glycolate, Tiotropium EP Impurity B and N-Demethyl Tiotropium. Key properties include a melting point of 138-140°C, a boiling point of 542.3±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 281.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

136310-64-0

Jingsj CID

J-1357788-9

Molecular Formula

C₁₈H₁₉NO₄S₂

Chinese Name

二(2-噻吩基)乙醇酸东莨菪酯

Molecular Weight

377.478 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026