C9H8O3
164.16 g/mol
Pharmaceutical IntermediateDanger
Himic anhydride
CAS2746-19-2EC220-384-5
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
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.
Intermediate for lurasidone synthesisBuilding block in organic synthesis
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.
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CAS 2746-19-2
Related Compounds
SimilarStructure SimilarSimilarity 0.73
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Referencestereoisomer of
Nadic anhydride
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pharmaceutical intermediate
Referencestereoisomer of
Carbic anhydride
CAS129-64-6
pharmaceutical intermediate
Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Identifiers
IUPAC Name
(1R,2R,6S,7S)-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
InChIKey
KNDQHSIWLOJIGP-RNGGSSJXSA-N
SMILES
C1[C@@H]2C=C[C@H]1[C@H]3[C@@H]2C(=O)OC3=O
Synonyms (29)
- EXO-CARBIC ANHYDRIDE
- EXO-NADIC ANHYDRIDE
- Himic anhydride
- Lurasidone Impurity 94
- endicanhydride