Chloropretadalafil

It serves as a key building block in the final coupling and functionalization steps, helping establish the core molecular structure required for tadalafil’s pharmacological activity. Chloropretadalafil is a synthetic chlorinated intermediate used in the manufacture of tadalafil API.

API Name Tadalafil
CAS No 171596-58-0
Molecular Formula C22H19ClN2O5
Molecular Weight 426.8 g/mol
Synonyms methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate

Frequently Asked Questions