Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
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 331-39-5
6-Chloro-1-pentofuranosyl-1H-imidazo[4,5-c]pyridin-4-amine
pharmaceutical intermediate
Caffeic acid is a naturally occurring plant constituent found in fruits, vegetables, and beverages such as coffee. It is used as a pharmaceutical intermediate and research compound, with applications explored in crystal engineering for pharmaceutical and degradable polymeric materials.
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 Caffeic acid (CAS 331-39-5) is 2918.29.
2918.29
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.
(E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid
QAIPRVGONGVQAS-DUXPYHPUSA-N
C1=CC(=C(C=C1/C=C/C(=O)O)O)O