Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334
Sourcing Himic anhydride?
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Deshydroxyethoxy-2,3-O-(dimethylmethylene) Ticagrelor
pharmaceutical intermediate
Sourcing Himic anhydride?
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Himic anhydride, also known as nadic anhydride or 5-norbornene-2,3-dicarboxylic anhydride, is an organic acid anhydride derivative of norbornene. It is primarily used as a pharmaceutical intermediate in the synthesis of lurasidone.
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 Himic anhydride (CAS 2746-19-2) is 2917.20.
2917.20
2917 20 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(1R,2R,6S,7S)-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
KNDQHSIWLOJIGP-RNGGSSJXSA-N
C1[C@@H]2C=C[C@H]1[C@H]3[C@@H]2C(=O)OC3=O