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CAS No 6314-28-9 , 1-benzothiophene-2-carboxylic acid

  • Name: 1-benzothiophene-2-carboxylic acid
  • Synonyms: 1-benzothiophene-2-carboxylic acid; Benzo(b)thiophene-2-carboxylic acid; Thianaphthene-2-carboxylic acid;Benzo[b]thiophene-2-carboxylic acid; tnca; 1-Benzothiophene-2-carboxylic acid; 6314-28-9;
  • CAS Registry Number:
  • Melting Point: 238-243 ºC
  • Density: 1.419 g/cm3
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • Molecular Weight: 178.20774
  • InchiKey: DYSJMQABFPKAQM-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H6O2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5H,(H,10,11)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C9H6O2S
  • Molecular Structure:CAS No:6314-28-9 1-benzothiophene-2-carboxylic acid

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References of 1-benzothiophene-2-carboxylic acid
Title: Thionaphthene-2-carboxylic Acid
CAS Registry Number: 6314-28-9
CAS Name: Benzo[b]thiophene-2-carboxylic acid
Synonyms: 2-benzothiophenecarboxylic acid; TNCA
Manufacturers' Codes: BL-5583
Molecular Formula: C9H6O2S
Molecular Weight: 178.21
Percent Composition: C 60.66%, H 3.39%, O 17.96%, S 17.99%
Literature References: Prepn: R. Weissgerber, O. Kruber, Ber. 53, 1551 (1920); eidem, DE 341837 (1921), Frdl. 13, 279 (1921); D. A. Shirley, M. D. Cameron, J. Am. Chem. Soc. 72, 2788 (1950); T. Higa, A. J. Krubsack, J. Org. Chem. 41, 3399 (1976). Use as anti-osteoporotic agent: C. M. Samour, J. A. Vida, US 4101668 (1978 to Bristol-Myers). Effect on total skeletal calcium in mice: J. C. Robin et al., J. Med. 11, 15 (1980). Mechanism of action study: J. C. Robin et al., Calcif. Tissue Int. 36, 194 (1984). Hypocalcemic effect: A. J. Johannesson et al., Endocrinology 117, 1508 (1985).
Properties: Prisms from alcohol or needles from water, mp 236° (Weissgerber). Also reported as crystals from benzene-ethyl acetate, mp 236-238° (Higa).
Melting point: mp 236° (Weissgerber); mp 236-238° (Higa)