C7H4I2O3
389.91 g/mol
Pharmaceutical IntermediateWarning
3,5-DIIODOSALICYLIC ACID
CAS133-91-5EC205-124-0
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
3,5-Diiodosalicylic acid is a halogenated aromatic carboxylic acid commonly used as an intermediate in pharmaceutical manufacturing. Its chemical structure features a salicylic acid backbone substituted with two iodine atoms, which contributes to its reactivity in organic synthesis.
pharmaceutical intermediate
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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ReferenceSame Category
Dov-Val-Dil-OH
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Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3,5-DIIODOSALICYLIC ACID (CAS 133-91-5) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 29 00
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
2-hydroxy-3,5-diiodobenzoic acid
InChIKey
DHZVWQPHNWDCFS-UHFFFAOYSA-N
SMILES
C1=C(C=C(C(=C1C(=O)O)O)I)I
Synonyms (14)
- Closantel Sodium Dihydrate EP Impurity A
- 2-Hydroxy-3,5-diiodobenzoate
- 3,5-DIIODOSALICYLIC ACID
- 3,5-Diiodosalicylate
- DIIODOSALICYLIC ACID
- Salicylic acid, 3,5-diiodo-
- Salicylic acid,5-diiodo-
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