C9H14N2
150.22 g/mol
Flavor & FragranceWarning
2,3-DIETHYL-5-METHYLPYRAZINE
CAS18138-04-0EC242-024-6
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavor and fragrance ingredient
2,3-Diethyl-5-methylpyrazine is a flavor and fragrance ingredient used to impart nutty, roasted, or earthy notes in products. It is a pyrazine derivative with a heterocyclic aromatic ring structure.
flavoring agentfragrance 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
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Fragrance and odor agent
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fragrance ingredient
ReferenceSame Category
Dihydromyrcenol
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fragrance ingredient
ReferenceSame Category
2-Methyl-4-[(1R)-2,2,3-trimethylcyclopent-3-en-1-yl]but-2-en-1-ol
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fragrance ingredient
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for 2,3-DIETHYL-5-METHYLPYRAZINE (CAS 18138-04-0) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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-diethyl-5-methylpyrazine
InChIKey
PSINWXIDJYEXLO-UHFFFAOYSA-N
SMILES
CCC1=NC=C(N=C1CC)C
Synonyms (9)
- 2,3-DIETHYL-5-METHYLPYRAZINE
- 2,3-Diethyl-6-methylpyrazine
- 2-Methyl-5,6-diethylpyrazine
- 5-Methyl-2,3-diethylpyrazine
- FEMA 3336
- METHYL-5,6-DIETHYLPYRAZINE
- hazelnut pyrazine
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