Safety Reference
Danger
H300Fatal if swallowed
H310
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 81-81-2
pharmaceutical raw material
Warfarin is an anticoagulant active pharmaceutical ingredient used in rodent control and as a pharmaceutical raw material. It can cause developmental toxicity according to an independent committee of scientific and health experts.
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 Warfarin (CAS 81-81-2) is 2932.20.
2932.20
2932 20 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one
PJVWKTKQMONHTI-UHFFFAOYSA-N
CC(=O)CC(C1=CC=CC=C1)C2=C(C3=CC=CC=C3OC2=O)O