C6H6OS
126.18 g/mol
Flavor & FragranceWarning
5-METHYL-2-THIOPHENECARBOXALDEHYDE
CAS13679-70-4EC237-178-6
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavor and fragrance ingredient
5-Methyl-2-thiophenecarboxaldehyde is a member of thiophenes commonly used as a flavor and fragrance ingredient.
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
2-Acetyl-3-methylthiophene
CAS13679-72-6
Flavor and fragrance compound
ReferenceSame Category
3-sulfanylhexyl acetate
CAS136954-20-6
flavor and fragrance ingredient
ReferenceSame Category
4-methyl-5-thiazoleethanol
CAS137-00-8
Fragrance ingredient in consumer products
ReferenceSame Category
5-methylquinoxaline
CAS13708-12-8
flavor and fragrance additive
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 5-METHYL-2-THIOPHENECARBOXALDEHYDE (CAS 13679-70-4) 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
5-methylthiophene-2-carbaldehyde
InChIKey
VAUMDUIUEPIGHM-UHFFFAOYSA-N
SMILES
CC1=CC=C(S1)C=O
Synonyms (22)
- 2-Formyl-5-methylthiophene
- 2-METHYL-5-FORMYLTHIOPHENE
- 5-Methyl-2-formylthiophene
- 5-Methyl-2-thenaldehyde
- 5-Methylthiophene-2-aldehyde
- 5-methyl-2-thiophenealdehyde
- bread thiophene
- thiophene, 2-Methyl, 5-formyl
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