C5H6O2
98.1 g/mol
Flavor & FragranceWarning
Alpha-Angelica lactone
CAS591-12-8EC209-701-8
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavor and fragrance ingredient
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
Allyl acetate
CAS591-87-7
synthetic flavoring agent
ReferenceSame Category
2,3-dimethylpyrazine
CAS5910-89-4
Flavoring agent
ReferenceSame Category
Diallyl sulfide
CAS592-88-1
Flavor and fragrance ingredient
ReferenceSame Category
S-methyl propanethioate
CAS5925-75-7
Flavor and fragrance ingredient
Safety Reference
Warning
H317May cause an allergic skin reaction
H227
Customs Tariff Classification
The international HS code for Alpha-Angelica lactone (CAS 591-12-8) 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
5-methyl-3H-furan-2-one
InChIKey
QOTQFLOTGBBMEX-UHFFFAOYSA-N
SMILES
CC1=CCC(=O)O1
Synonyms (41)
- .GAMMA.-ANGELICA LACTONE
- 2(3H)-FURANONE, 5-METHYL-
- 3-Penten-4-olide
- 4-Methyl-2(3H)-furanone
- 5-Methyl-2(3H)-furanone
- 5-Methylfuran-2(3H)-one
- 5-methyl-3H-furan-2-one
- 98% +(sum of isomers)
- ?-Angelica lactone
- ANGELICA LACTONE .ALPHA.-FORM
- a-Angelica lactone
- a-angelicalacton
- alpha-Angelica lactone
- alpha-Angelicalacton
- b,g-Angelica lactone
- delta(2)-Angelica lactone
- delta(sup 2)-Angelica lactone
- g-Methyl-b,g-crotonolactone
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