C8H4I3NO4
558.83 g/mol
Pharmaceutical IntermediateDanger
5-Amino-2,4,6-triiodoisophthalic acid
CAS35453-19-1EC252-575-4
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
5-Amino-2,4,6-triiodoisophthalic acid is an iodinated aromatic compound used as a pharmaceutical intermediate in the manufacture of contrast agents for medical imaging. Its structure features three iodine atoms, two carboxylic acid groups, and an amino group on a benzene ring.
Pharmaceutical intermediate for contrast agentsRaw material in diagnostic imaging agent production
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
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Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for 5-Amino-2,4,6-triiodoisophthalic acid (CAS 35453-19-1) is 2922.49.
HS code (international, 6-digit)
2922.49
EU CN code (8-digit)
2922 49 85
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-amino-2,4,6-triiodobenzene-1,3-dicarboxylic acid
InChIKey
JEZJSNULLBSYHV-UHFFFAOYSA-N
SMILES
C1(=C(C(=C(C(=C1I)N)I)C(=O)O)I)C(=O)O
Synonyms (12)
- Iohexol EP Impurity K
- 4b9h
- IOHEXOL IMPURITY K
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