Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H319
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 302-79-4
provitamin A and food coloring
Allopregnane-3α,11β,17α,21-tetrol-20-one
pharmaceutical raw material
Retinoic acid is a compound derived from vitamin A that functions as an active pharmaceutical ingredient. According to expert evaluation, it is associated with developmental toxicity risks.
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 Retinoic acid (CAS 302-79-4) is 2936.21.
2936.21
2936 21 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenoic acid
SHGAZHPCJJPHSC-YCNIQYBTSA-N
CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C(=O)O)/C)/C