C9H7NO2
161.16 g/mol
Pharmaceutical IntermediateWarning
1H-Indole-6-carboxylic acid
CAS1670-82-2EC605-464-3
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
1H-Indole-6-carboxylic acid is an organic compound featuring an indole ring system with a carboxylic acid substituent. It is commonly utilized as a pharmaceutical intermediate in the synthesis of various active pharmaceutical ingredients.
pharmaceutical intermediate for drug manufacturing
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
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 1H-Indole-6-carboxylic acid (CAS 1670-82-2) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
1H-indole-6-carboxylic acid
InChIKey
GHTDODSYDCPOCW-UHFFFAOYSA-N
SMILES
C1=CC(=CC2=C1C=CN2)C(=O)O
Synonyms (10)
- 1F1
- 1H-Indole-6-carboxylic acid
- 1H-indole-6-carbonsäure
- 4ej8
- 6-Indolecarboxylic acid
- 6-carboxy-1H-indole
- 6-carboxyindole
- Indole-6-carboxylic acid
- indol-6-carboxylic acid
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