Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Sourcing 5-Cyanophthalide?
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Sourcing 5-Cyanophthalide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
5-Cyanophthalide is an organic compound featuring a fused benzofuran ring system with a nitrile group. It is primarily used as a chemical intermediate in pharmaceutical manufacturing.
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 5-Cyanophthalide (CAS 82104-74-3) 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.
1-oxo-3H-2-benzofuran-5-carbonitrile
XEEGWTLAFIZLSF-UHFFFAOYSA-N
C1C2=C(C=CC(=C2)C#N)C(=O)O1