Fesoterodine fumarate is the fumarate salt form of fesoterodine, a competitive muscarinic receptor antagonist. It is rapidly hydrolyzed in vivo into an active metabolite that inhibits muscarinic receptors on the bladder detrusor muscle, leading to relaxation of bladder smooth muscle and increased bladder capacity.
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(3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-yl acetate
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The international HS code for Fesoterodine fumarate (CAS 286930-03-8) is 2922.50.
2922.50
2922 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(E)-but-2-enedioic acid;[2-[(1R)-3-[di(propan-2-yl)amino]-1-phenylpropyl]-4-(hydroxymethyl)phenyl] 2-methylpropanoate
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