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CAS Number: 104-98-3
(E)-3-(1H-imidazol-5-yl)acrylic acid

Structure

(E)-3-(1H-imidazol-5-yl)acrylic acid
Name: (E)-3-(1H-imidazol-5-yl)acrylic acid
Synonyms:
General Information
Product Number: 104983

CAS Registry Number: 104-98-3

Name:

2-​Propenoic acid, 3-​(1H-​imidazol-​5-​yl)​-
2-​Propenoic acid, 3-​(1H-​imidazol-​4-​yl)​- (9CI); Imidazole-​4-​acrylic acid (8CI); 3-​(1H-​Imidazol-​4-​yl)​-​2-​propenoic acid; 3-​(1H-​Imidazol-​4-​yl)​acrylic acid; 3-​(4-​Imidazolyl)​acrylic acid; 4-​Imidazolylacrylic acid; 5-​Imidazoleacrylic acid; NSC 66357; Urocanic acid; Urocaninic acid 

 

Chemical Formula: C6H6N2O2
Exact Mass: 138.04
Molecular Weight: 138.12
m/z: 138.04 (100.0%), 139.05 (6.6%)

 

InChI: InChI=1S/C6H6N2O2/c9-6(10)2-1-5-3-7-4-8-5/h1-4H,(H,7,8)(H,9,10)/b2-1+
InChIKey: LOIYMIARKYCTBW-OWOJBTEDSA-N
Canonical SMILES : C1=C(NC=N1)C=CC(=O)O
Isomeric SMILES: C1=C(NC=N1)/C=C/C(=O)O

 

Thermal Properties Value Condition Note
Melting Point 243-245 °C   (7)CAS
Melting Point 231 °C   (8)CAS
Melting Point 230-231 °C (decomp)   (9)CAS
Melting Point 225 °C   (10)SRC
Melting Point 224-226 °C   (11)CAS

Specification

98%

References
  1. (1) Inouye, Satoshi; Biochemical and Biophysical Research Communications 2007, V354(3), P650-655 CAPLUS
  2. (2) BIORAD: Copyright Bio-Rad Laboratories. All Rights Reserved.
  3. (3) 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.
  4. (4) WSS: Spectral data were obtained from Wiley Subscription Services, Inc. (US)
  5. (5) Spagou, Konstantina; Analytical Chemistry (Washington, DC, United States) 2011, V83(1), P382-390 CAPLUS
  6. (6) Xu, Ying; Analytical Chemistry (Washington, DC, United States) 2010, V82(13), P5490-5501 CAPLUS
  7. (7) Fujisawa, Toshiro; JP 38023094 B4 1963 CAPLUS
  8. (8) Akabori, Siro; Nippon Kagaku Kaishi (1921-47) 1941, V62, P183-5 CAPLUS
  9. (9) Akabori, Siro; Proceedings of the Imperial Academy (Tokyo) 1940, V16, P191-4 CAPLUS
  10. (10) "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
  11. (11) Borek, Blanche Ann; Journal of Biological Chemistry 1953, V205, P459-74 CAPLUS
  12. (12) Feng, Y.; Applied Magnetic Resonance 2007, V32(3), P257-268 CAPLUS
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