C9H8O2
148.16 g/mol
Research ReagentWarning
4-Chromanone
CAS491-37-2EC207-736-3
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
4-Chromanone is a bicyclic organic compound consisting of a benzene ring fused to a dihydropyranone ring. It is primarily utilized as a research reagent in chemical and pharmaceutical studies.
research compound
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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Related Compounds
ReferenceSame Category
Biochanin A
CAS491-80-5
research compound
ReferenceSame Category
1,2-bis(4-pyridyl)ethane
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research compound
ReferenceSame Category
3b-17-Imino-androst-5-en-3-ol Dimer
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ReferenceSame Category
2-phenylpropionic acid
CAS492-37-5
research compound
Referencesame scaffold
5,7-Dihydroxy-2,2-dimethylchroman-4-one
CAS883-09-0
pharmaceutical intermediate
Referencesame scaffold
6-Fluoro-4-oxochroman-2-carboxylic acid
CAS105300-40-1
pharmaceutical intermediate
Safety Reference
Warning
H303May be harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Chromanone (CAS 491-37-2) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
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
2,3-dihydrochromen-4-one
InChIKey
MSTDXOZUKAQDRL-UHFFFAOYSA-N
SMILES
C1COC2=CC=CC=C2C1=O
Synonyms (16)
- 2,3-Dihydro-4-benzopyranone
- 2,3-Dihydro-4H-chromen-4-one
- 2,3-dihydrochromen-4-one
- 2H-Chromen-4(3H)-one
- 2H-[1]benzopyran-4-one
- 4-Chromanone
- 4-chromanon
- Chromanone
- Isochromanone
- dihydrochromone
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