Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Indole-3-carboxylic acid?
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pharmaceutical intermediate
Sourcing Indole-3-carboxylic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Indole-3-carboxylic acid is a chemical compound featuring an indole ring with a carboxylic acid group. It is primarily used as a research reagent for alkaloid synthesis in laboratory settings.
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.
The international HS code for Indole-3-carboxylic acid (CAS 771-50-6) is 2933.99.
2933.99
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.
1H-indole-3-carboxylic acid
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C1=CC=C2C(=C1)C(=CN2)C(=O)O