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CAS Number: 14282-78-1
4-methylthiophene-2-carboxylic acid

Structure

4-methylthiophene-2-carboxylic acid
Name: 4-methylthiophene-2-carboxylic acid
Synonyms:
General Information
Product Number: 14282781
CAS Registry Number: 14282-78-1
Name:
2-​Thiophenecarboxylic acid, 4-​methyl-
4-​Methyl-​2-​thiophenecarboxylic acid 
 
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%)
Elemental Analysis: C, 50.69; H, 4.25; O, 22.51; S, 22.55
 
InChI: InChI=1S/C6H6O2S/c1-4-2-5(6(7)8)9-3-4/h2-3H,1H3,(H,7,8)
InChIKey: YCIVJGQMXZZPAB-UHFFFAOYSA-N
Canonical SMILES : CC1=CSC(=C1)C(=O)O
 
Thermal Properties Value Condition Note
Boiling Point 158 °C Press: 16 Torr (1)CAS
Melting Point 122-124 °C   (10)CAS
Melting Point 122 °C Solv: hexane (110-54-3) (11)IC
Melting Point 120-122 °C   (12)CAS
Melting Point 120-122 °C   (13)IC

Specification

98%

References
  1. (1) Rinkes, I. J.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1933, V52, P1052-60 CAPLUS
  2. (2) BIORAD: Copyright Bio-Rad Laboratories. All Rights Reserved.
  3. (3) WSS: Spectral data were obtained from Wiley Subscription Services, Inc. (US)
  4. (4) Stibor, I.; Collection of Czechoslovak Chemical Communications 1977, V42(7), P2167-70 CAPLUS
  5. (5) Perjessy, Alexander; Journal of Organic Chemistry 1980, V45(8), P1366-9 CAPLUS
  6. (6) Noto, Renato; Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999) 1987, (6), P689-94 CAPLUS
  7. (7) AIST: Integrated Spectral Database System of Organic Compounds. (Data were obtained from the National Institute of Advanced Industrial Science and Technology (Japan))
  8. (8) BIORAD: Infrared spectral data from the Bio-Rad/Sadtler IR Data Collection was obtained from Bio-Rad Laboratories, Philadelphia, PA (US). Copyright © Bio-Rad Laboratories. All Rights Reserved.
  9. (9) Suaifan, Ghadeer A. R. Y.; Molecules 2010, V15, P3121-3134 CAPLUS
  10. (10) Imoto, Eiji; Bulletin of Naniwa University, Series A: Engineering and Natural Sciences 1954, V2A, P127-34 CAPLUS
  11. (11) Benoit, Patrice; Bulletin de la Societe Chimique de France 1975, (5-6, Pt. 2), P1302-6 CAPLUS
  12. (12) Gronowitz, Salo; Arkiv foer Kemi 1954, V7, P361-9 CAPLUS
  13. (13) Gul'tyai, V. P.; Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya 1979, (7), P1576-80 CAPLUS
  14. (14) Perveev, F. Ya.; Doklady Akademii Nauk SSSR 1954, V98, P975-8 CAPLUS
  15. (15) Smith, Keith; Journal of Organic Chemistry 2007, V72(3), P1031-1034 CAPLUS
  16. (16) Schick, John W.; Journal of the American Chemical Society 1948, V70, P1645 CAPLUS
  17. (17) Gould, Norman P.; Journal of Organic Chemistry 1980, V45(22), P4528-30 CAPLUS
  18. (18) Gogte, V. N.; Tetrahedron 1967, V23(5), P2443-51 CAPLUS
  19. (19) Steinkopf, Wilhelm; Justus Liebigs Annalen der Chemie 1935, V515, P273-83 CAPLUS
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