C5H8O2
100.12 g/mol
Flavor & FragranceWarning
2-METHYLTETRAHYDROFURAN-3-ONE
CAS3188-00-9EC221-685-4
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
flavor and fragrance ingredient
2-Methyltetrahydrofuran-3-one, also known as coffee furanone, is a pleasant-smelling liquid furan derivative and a volatile constituent of the aroma complex of roasted coffee. It is characterized by a sweet, caramel-like odor with nutty undertones.
flavor and fragrance ingredientcoffee aroma component
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
2-ethylfuran
CAS3208-16-0
food flavoring agent
ReferenceSame Category
3-methoxy-5-methylphenol
CAS3209-13-0
Fragrance ingredient or flavor agent
ReferenceSame Category
4-tert-butylcyclohexyl acetate
CAS32210-23-4
fragrance ingredient
ReferenceSame Category
O-cymen-5-ol
CAS3228-02-2
Flavor and fragrance ingredient
Referencesame scaffold
2,2,5,5-Tetramethyltetrahydrofuran-3-one
CAS5455-94-7
pharmaceutical intermediate
Referencesame scaffold
Dihydrofuran-3(2H)-one
CAS22929-52-8
research compound
Safety Reference
Warning
H226Flammable liquid and vapour
Customs Tariff Classification
The international HS code for 2-METHYLTETRAHYDROFURAN-3-ONE (CAS 3188-00-9) is 2932.19.
HS code (international, 6-digit)
2932.19
EU CN code (8-digit)
2932 19 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-methyloxolan-3-one
InChIKey
FCWYQRVIQDNGBI-UHFFFAOYSA-N
SMILES
CC1C(=O)CCO1
Synonyms (21)
- 2-METHYLTETRAHYDROFURAN-3-ONE
- 2-Methyl-2H-furan-3-one
- 2-Methyl-3-oxotetrahydrofuran
- 2-Methyloxolan-3-one
- 2-Methyltetrahydro-3-furanone
- 2-methyl-3-tetrahydrofuranone
- 2-methyldihydrofuran-3-one
- FEMA 3373
- coffee furanone
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