Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 4-PHENYLBUTYRIC ACID?
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research compound
Sourcing 4-PHENYLBUTYRIC ACID?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Phenylbutyric acid is an aromatic fatty acid that is the active component of the salt sodium phenylbutyrate. It is used as a pharmaceutical raw material, particularly as a histone deacetylase inhibitor in manufacturing and research applications.
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 4-PHENYLBUTYRIC ACID (CAS 1821-12-1) is 2916.39.
2916.39
2916 39 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-phenylbutanoic acid
OBKXEAXTFZPCHS-UHFFFAOYSA-N
C1=CC=C(C=C1)CCCC(=O)O