Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing ISONICOTINIC ACID?
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research reagent
Sourcing ISONICOTINIC ACID?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Isonicotinic acid is a pyridinemonocarboxylic acid with the carboxy group at position 4 of the pyridine ring. It is recognized as a human metabolite and an algal metabolite.
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 ISONICOTINIC ACID (CAS 55-22-1) is 2933.39.
2933.39
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
pyridine-4-carboxylic acid
TWBYWOBDOCUKOW-UHFFFAOYSA-N
C1=CN=CC=C1C(=O)O