中文版English

CAS Number: 1918-79-2
5-methylthiophene-2-carboxylic acid

Structure

5-methylthiophene-2-carboxylic acid
Name: 5-methylthiophene-2-carboxylic acid
Synonyms:
General Information
Product Number: 1918792

CAS Registry Number 1918-79-2
Name:
2-​Thiophenecarboxylic acid, 5-​methyl-
2-Carboxy-5-methylthiophene
2-Methyl-5-thiophenecarboxylic acid
5-Methyl-2-thiophenecarboxylic acid
NSC 89698

 

Chemical Formula: C6H6O2S
Exact Mass: 142.01
Molecular Weight: 142.18
m/z: 142.01 (100.0%), 143.01 (7.4%), 144.00 (4.5%)

 

InChI:InChI=1S/C6H6O2S/c1-4-2-3-5(9-4)6(7)8/h2-3H,1H3,(H,7,8)

InChI Key:VCNGNQLPFHVODE-UHFFFAOYSA-N

Canonical SMILES:CC1=CC=C(S1)C(=O)O

 

Thermal Properties Value Condition Note
Enthalpy See full text   (5)CAS
Entropy See full text   (5)CAS
Formation Enthalpy See full text   (6)CAS
Formation Enthalpy See full text   (5)CAS
Gibbs Free Energy See full text   (5)CAS
Melting Point 139 °C Solv: hexane (110-54-3) (10)IC

Specification

98%

References
  1. (5) Ribeiro da Silva, Manuel A. V.; Journal of Chemical Thermodynamics 2008, V40(9), P1451-1457 CAPLUS
  2. (6) Zauer, E. A.; Chemistry of Heterocyclic Compounds (New York, NY, United States) 2011, V46(11), P1325-1329 CAPLUS
  3. (8) Knight, David W.; Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) 1983, (4), P791-4 CAPLUS
  4. (10) Benoit, Patrice; Bulletin de la Societe Chimique de France 1975, (5-6, Pt. 2), P1302-6 CAPLUS
  5. (11) Rinkes, I. J.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1932, V51, P1134-42 CAPLUS
  6. (12) Gol'dfarb, Ya. L.; Zhurnal Obshchei Khimii 1960, V30, P1012-20 CAPLUS
  7. (13) Imoto, Eiji; Bulletin of Naniwa University, Series A: Engineering and Natural Sciences 1954, V2A, P127-34 CAPLUS
  8. (14) Farrar, Martin W.; Journal of the American Chemical Society 1949, V71, P1496 CAPLUS
  9. (15) Gul'tyai, V. P.; Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya 1979, (7), P1576-80 CAPLUS
  10. (16) Rinkes, I. J.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1933, V52, P538-48 CAPLUS
  11. (17) Gol'dfarb, Ya. L.; Zhurnal Obshchei Khimii 1955, V25, P1373-7 CAPLUS
  12. (18) Gol'dfarb, Ya. L.; Zhurnal Obshchei Khimii 1955, V25, P1321-4 CAPLUS
  13. (19) Janda, Miroslav; Collection of Czechoslovak Chemical Communications 1961, V26, P1889-92 CAPLUS
Contact Us
TEL:  86-17758012822
FAX:  86-571-87759731
E-mail:sales@hzchempro.com
[ CLOSE ]