C19H26I3N3O9
821.1 g/mol
APIWarning
Iohexol
CAS66108-95-0EC266-164-2
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material
Iohexol is an organoiodine compound and a benzenedicarboxamide that functions as a radioopaque medium. It is used as a pharmaceutical raw material for the production of radiocontrast agents.
pharmaceutical raw material for radiocontrast agentsdiagnostic imaging medium
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 0.95
Iodixanol
CAS92339-11-2
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.79
5-(acetyl(2,3-dihydroxypropyl)amino)-N-(2-(2,3-dihydroxypropoxy)-3-hydroxypropyl)-N'-(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide
CAS2727061-52-9
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.75
5-(acetyl(2-(2,3-dihydroxypropoxy)-3-hydroxypropyl)amino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide
CAS2724765-15-3
pharmaceutical intermediate
ReferenceSame Category
Nicotinic-d4 Acid
CAS66148-15-0
pharmaceutical raw material
ReferenceSame Category
1,6-Dehydro Tramadol Hydrochloride
CAS66170-31-8
pharmaceutical raw material
ReferenceSame Category
1,2-Dehydro tramadol hydrochloride
CAS66170-32-9
pharmaceutical raw material
ReferenceSame Category
Proglumide
CAS6620-60-6
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Iohexol (CAS 66108-95-0) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-[acetyl(2,3-dihydroxypropyl)amino]-1-N,3-N-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide
InChIKey
NTHXOOBQLCIOLC-UHFFFAOYSA-N
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
Synonyms (46)
- Iodixanol EP Impurity A (Free Base)
- Iohexol (JP18/USP/INN)
- Iohexol for peak identification, European Pharmacopoeia (EP)
- Iohexol, European Pharmacopoeia (EP)
- Iohexol, United States Pharmacopeia (USP)
- Iohexol; Iodixanol EP Impurity A
- Iohexolum [INN-Latin]
- Accudenz
- Exypaque
- Histodenz
- IOHEXOL [MART.]
- Iohexol (Standard)
- Iohexol 350
- Iohexol CRS
- Iohexolum
- Nycodenz
- OMNIPAQUE 12
- OMNIPAQUE 9
- Omnipaque
- Omnipaque (TN)
- Omnipaque 140
- Omnipaque 180
- Omnipaque 210
- Omnipaque 240
- Omnipaque 300
- Omnipaque 350
- Omnipaque 70
- Oraltag
- ioexolo
- iohexol
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