C9H8N2
144.17 g/mol
Flavor & FragranceWarning
5-Methylquinoxaline
CAS13708-12-8EC237-246-5
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
flavor and fragrance additive
5-Methylquinoxaline is a heteroaromatic compound with two fused rings, commonly used as a flavor and fragrance additive. It is known for its role in imparting specific sensory characteristics in various consumer products.
flavor and fragrance additive
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
(±)-limonene
CAS138-86-3
flavor and fragrance ingredient
ReferenceSame Category
Beta-ocimene
CAS13877-91-3
Flavor and fragrance ingredient
ReferenceSame Category
Glyceryl tripropanoate
CAS139-45-7
Flavoring agent for food
ReferenceSame Category
2-ethyl-3,5-dimethylpyrazine
CAS13925-07-0
flavor and fragrance ingredient
Referencesame scaffold
N-(5-bromoquinoxalin-6-yl)guanidine
CAS168329-48-4
research compound
Referencesame scaffold
2,6-Dichloroquinoxaline
CAS18671-97-1
pharmaceutical intermediate
Referencesame scaffold
1-(3-Methylquinoxalin-2-yl)ethan-1-one
CAS22059-64-9
research compound
Referencesame scaffold
2,3-Dichloroquinoxaline
CAS2213-63-0
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Methylquinoxaline (CAS 13708-12-8) 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
5-methylquinoxaline
InChIKey
CQLOYHZZZCWHSG-UHFFFAOYSA-N
SMILES
CC1=C2C(=CC=C1)N=CC=N2
Synonyms (8)
- 5-Methyl-quinoxalin
- 5-Methylquinoxaline
- 5-methyl-1,4-naphthyridine
- 8-methyl-1,4-naphthyridine
- 8-methylquinoxaline
- FEMA 3203
- Quinoxaline, 5-methyl-
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