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5-Methylthiophene-2-carboxylic acid_Molecular_structure_CAS_1918-79-2)
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5-Methylthiophene-2-carboxylic acid

Catalog No. A17737 Name Alfa Aesar
CAS Number 1918-79-2 Website
M. F. C6H6O2S Telephone
M. W. 142.17564 Fax
Purity 98+% Email
Storage Chembase ID: 14990

SYNONYMS

Title
5-甲基噻酚-2-甲酸
IUPAC name
5-methylthiophene-2-carboxylic acid
IUPAC Traditional name
5-methylthiophene-2-carboxylic acid

DATABASE IDS

MDL Number MFCD00005439
CAS Number 1918-79-2
EC Number 217-640-3
Beilstein Number 113857

PROPERTIES

Purity 98+%
Melting Point 136-138°C
GHS Pictograms GHS07
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P305+P351+P338-P302+P352-P321-P405-P501A
Risk Statements 36/37/38
Safety Statements 26-37
TSCA Listed

DETAILS

REFERENCES

  • Dilithiation can be effected with LDA, allowing substitution at the 5-methyl group, as, for example carboxylation in the synthesis of methotrexate analogues: J. Med. Chem., 40, 370 (1997).