Treosulfan

Overview

Treosulfan is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL455186).

API suppliers (3)

Suppliers of Treosulfan backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

• MEDAC GESELLSCHAFT FUR KLINISCHE SPEZIALPRAPARATE MBH1 active DMF
• MEDAC GESELLSCHAFT FUR KLINISCHE SPEZIALPRAPARATE MBH1 active DMF
• MEDAC GESELLSCHAFT FUR KLINISCHE SPEZIALPRAPARATE MBH1 active DMF

Patent & exclusivity (US)

Per the FDA Orange Book (2 approved US products), the latest listed US patent on Treosulfan expires 11 Oct 2026 and exclusivity 21 Jan 2032. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name

[(2S,3S)-2,3-dihydroxy-4-methylsulfonyloxybutyl] methanesulfonate

Canonical SMILES

CS(=O)(=O)OC[C@@H]([C@H](COS(=O)(=O)C)O)O

InChIKey

YCPOZVAOBBQLRI-WDSKDSINSA-N