Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Sourcing 3,4,5-TRIMETHOXYCINNAMIC ACID?
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2-Ethylphenylboronic acid
research compound
Sourcing 3,4,5-TRIMETHOXYCINNAMIC ACID?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3,4,5-Trimethoxycinnamic acid is a methoxycinnamic acid with three methoxy groups at positions 3, 4, and 5 on the aromatic ring. It has been identified as an allergen and is found in plants such as Polygala tenuifolia, Piper swartzianum, and Piper tuberculatum.
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 3,4,5-TRIMETHOXYCINNAMIC ACID (CAS 90-50-6) is 2918.99.
2918.99
2918 99 90
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-(3,4,5-trimethoxyphenyl)prop-2-enoic acid
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COC1=CC(=CC(=C1OC)OC)/C=C/C(=O)O