Iohexol

Overview

Iohexol is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL1200455).

API suppliers (3)

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

• Zhejiang Hisun Pharmaceutical Co., Ltd.China1 active DMF
• Zhejiang Hisun Pharmaceutical Co., Ltd.China1 active DMF
• Hovione FarmaCiencia SAPortugal

Patent & exclusivity (US)

Per the FDA Orange Book (10 approved US products), the latest listed US patent on Iohexol expires — and exclusivity 25 Jul 2026. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name

5-[acetyl(2,3-dihydroxypropyl)amino]-1-N,3-N-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide

Canonical SMILES

CC(=O)N(CC(CO)O)C1=C(C(=C(C(=C1I)C(=O)NCC(CO)O)I)C(=O)NCC(CO)O)I

InChIKey

NTHXOOBQLCIOLC-UHFFFAOYSA-N