C9H8O2
148.16 g/mol
Pharmaceutical IntermediateWarning
3-Isochromanone
CAS4385-35-7EC224-493-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3-Isochromanone is a chemical compound that serves as a pharmaceutical intermediate. It is a bicyclic lactone featuring an aromatic ring and an ester functional group.
Pharmaceutical intermediate
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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Isochromanone (CAS 4385-35-7) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
1,4-dihydroisochromen-3-one
InChIKey
ILHLUZUMRJQEAH-UHFFFAOYSA-N
SMILES
C1C2=CC=CC=C2COC1=O
Synonyms (14)
- 1,4-dihydroisochromen-3-one
- 1H-2-Benzopyran-3(4H)-one
- 3-Isochromanone
- 3-lsochroManone
- isochromanone, 4a
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