(2S,3aS,5R,6R,6aR)-4-Methylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-6-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate (Impurity-M in EP) hydrochloride

Also known as: (2S,3aS,5R,6R,6aR)-6-(2-hydroxy-2,2-di(thiophen-2-yl)acetoxy)-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide, 2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, (2R,3aR,5S,6S,6aS)-hexahydro-4-methyl-2,5-methano-2H-furo[3,2-b]pyrrol-6-yl ester, rel-, Tiotropium Impurity 12, Tiotropium bromide Impurity 13, rel-(2R,3aR,5S,6S,6aS)-4-Methylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-6-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate

(2S,3aS,5R,6R,6aR)-4-Methylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-6-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate (Impurity-M in EP) hydrochloride (CAS 1459721-06-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H20ClNO4S2 and a molecular weight of 413.9 g/mol. It is also known as (2S,3aS,5R,6R,6aR)-6-(2-hydroxy-2,2-di(thiophen-2-yl)acetoxy)-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide, 2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, (2R,3aR,5S,6S,6aS)-hexahydro-4-methyl-2,5-methano-2H-furo[3,2-b]pyrrol-6-yl ester, rel- and Tiotropium Impurity 12. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1459721-06-2

Jingsj CID

J-925705-8

Molecular Formula

C₁₈H₂₀ClNO₄S₂

Molecular Weight

413.9 g/mol

Category

Organic Compounds

Last updated

8/21/2026