Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334
Sourcing 5-Norbornene-2,3-dicarboxylic anhydride?
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(4S,5R)-5-[3,5-Bis(trifluoromethyl)phenyl]-4-methyl-1,3-oxazolidin-2-one
pharmaceutical intermediate
Sourcing 5-Norbornene-2,3-dicarboxylic anhydride?
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5-Norbornene-2,3-dicarboxylic anhydride, also known as nadic anhydride, is an organic acid anhydride derivative of norbornene. It is used as a pharmaceutical intermediate in the production of fine chemicals.
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-Norbornene-2,3-dicarboxylic anhydride (CAS 826-62-0) 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.
4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
KNDQHSIWLOJIGP-UHFFFAOYSA-N
C1C2C=CC1C3C2C(=O)OC3=O