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CAS Number: 822-82-2
isothiazole-4-carboxylic acid

Structure

isothiazole-4-carboxylic acid
Name: isothiazole-4-carboxylic acid
Synonyms:
General Information
Product Number: 822822
CAS Number:
822-82-2
Name:
4-Isothiazolecarboxylicacid
 
Chemical Formula: C4H3NO2S
Exact Mass: 128.99
Molecular Weight: 129.14
m/z: 128.99 (100.0%), 129.99 (5.6%), 130.98 (4.5%)
Elemental Analysis: C, 37.20; H, 2.34; N, 10.85; O, 24.78; S, 24.83
 
InChI: InChI=1S/C4H3NO2S/c6-4(7)3-1-5-8-2-3/h1-2H,(H,6,7)
InChIKey: PCXTYKGTWQCNJI-UHFFFAOYSA-N
Canonical SMILES : C1=C(C=NS1)C(=O)O
 
 
Thermal Properties Value Condition Note
Melting Point 162 °C   (3)CAS
Melting Point 162 °C   (4)CAS
Melting Point 162 °C   (5)CAS
Melting Point 161-162 °C   (2)IC

Specification

98%

References
  1. (1) WSS: Spectral data were obtained from Wiley Subscription Services, Inc. (US)
  2. (2) Plazzi, P. V.; Ateneo Parmense, Acta Naturalia 1977, V13(4), P593-600 CAPLUS
  3. (3) Huebenett, Fritz; DE 1179553 1964 CAPLUS
  4. (4) Adams, Arthur; US 2839529 1958 CAPLUS
  5. (5) Adams, Arthur; GB 835753 1960 CAPLUS
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