C5H6N2O
110.11 g/mol
Flavor & FragranceWarning
2-Hydroxy-3-methylpyrazine
CAS19838-07-4EC243-362-7
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavor and fragrance intermediate
2-Hydroxy-3-methylpyrazine is a chemical compound used as an intermediate in the production of flavors and fragrances.
flavor and fragrance intermediate
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
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ReferenceSame Category
2-Amino-3-methylpyrazine
CAS19838-08-5
Flavor and aroma agent
ReferenceSame Category
Cyclohexanecarboxaldehyde
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flavor and fragrance intermediate
ReferenceSame Category
2,3,5-Trimethylanisole
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flavor and fragrance intermediate
ReferenceSame Category
2,4,5-trimethyloxazole
CAS20662-84-4
flavor and fragrance ingredient
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Hydroxy-3-methylpyrazine (CAS 19838-07-4) 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
3-methyl-1H-pyrazin-2-one
InChIKey
LDQRWMQHTORUIY-UHFFFAOYSA-N
SMILES
CC1=NC=CNC1=O
Synonyms (9)
- 2(1H)-PYRAZINONE, 3-METHYL-
- 2-Hydroxy-3-methylpyrazine
- 3-METHYL-2(1H)-PYRAZINONE
- 3-METHYL-2-HYDROXYPYRAZINE
- 3-Methyl-(1H)-pyrazin-2-one
- 3-Methyl-2-pyrazinol
- 3-Methylpyrazin-2(1H)-one
- 3-methylpyrazin-2-ol
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