C6H9NO
111.14 g/mol
Flavor & FragranceWarning
2,4,5-TRIMETHYLOXAZOLE
CAS20662-84-4EC243-952-4
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
flavor and fragrance ingredient
2,4,5-Trimethyloxazole is an oxazole derivative used as a flavor and fragrance ingredient, primarily valued for its roasted, nutty, and cocoa-like aroma profile. It contributes to the characteristic scent of roasted foods and is employed in flavor compositions.
flavor ingredient in food productsfragrance component in consumer goods
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
3,7-Dimethyl-1-octyl acetate
CAS20780-49-8
fragrance ingredient
ReferenceSame Category
DL-Camphor
CAS21368-68-3
Fragrance and flavoring agent
ReferenceSame Category
7-octenal
CAS21573-31-9
flavor and fragrance intermediate
ReferenceSame Category
Allyl disulfide
CAS2179-57-9
garlic flavoring agent
Referencesame scaffold
5-Oxazolecarboxylic acid ethyl ester
CAS118994-89-1
pharmaceutical intermediate
Referencesame scaffold
2-Bromooxazole
CAS125533-82-6
research compound
Referencesame scaffold
2-Chloro-5-methyloxazole
CAS129053-68-5
pharmaceutical intermediate
Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,4,5-TRIMETHYLOXAZOLE (CAS 20662-84-4) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 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
2,4,5-trimethyl-1,3-oxazole
InChIKey
ZRLDBDZSLLGDOX-UHFFFAOYSA-N
SMILES
CC1=C(OC(=N1)C)C
Synonyms (7)
- 2,4,5-TRIMETHYLOXAZOLE
- 2,4,5-Trimethyl-1,3-oxazole
- FEMA 4394
- Oxazole, 2,4,5-trimethyl-
- Oxazole, trimethyl-
- Trimethyloxazole
- trimethyl-1,3-oxazole
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