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CAS Number: 6093-67-0
5-hydroxy-2H-chromen-2-one

Structure

5-hydroxy-2H-chromen-2-one
Name: 5-hydroxy-2H-chromen-2-one
Synonyms:
General Information
Product Number: 6093670

CAS Registry Number 6093-67-0
Name:
2H-​1-​Benzopyran-​2-​one, 5-​hydroxy-
Coumarin, 5-hydroxy- (7CI,8CI)
5-Hydroxycoumarin

 

Chemical Formula: C9H6O3
Exact Mass: 162.03
Molecular Weight: 162.14
m/z: 162.03 (100.0%), 163.04 (9.9%), 164.04 (1.1%)

 

InChI:InChI=1S/C9H6O3/c10-7-2-1-3-8-6(7)4-5-9(11)12-8/h1-5,10H

InChI Key:CDHSCTCRBLLCBJ-UHFFFAOYSA-N

Canonical SMILES:C1=CC2=C(C=CC(=O)O2)C(=C1)O

 

Thermal Properties Value Condition Note
Melting Point 229 °C   (2)CAS
Melting Point 225 °C   (3)CAS
Melting Point 224-225 °C   (4)CAS
Melting Point 223-225 °C   (5)CAS
Melting Point 221-223 °C   (6)CAS
Melting Point 195-210 °C   (5)CAS

Specification

98%

References
  1. (2) Bohme, Horst; Berichte der Deutschen Chemischen Gesellschaft [Abteilung] B: Abhandlungen 1939, V72B, P2130-3 CAPLUS
  2. (3) Kumar, Satyendra; Journal of the Indian Chemical Society 1946, V23, P365-70 CAPLUS
  3. (4) Das Gupta, Arun K.; Tetrahedron Letters 1968, (42), P4463-6 CAPLUS
  4. (5) Shah, H. A.; Journal of the Chemical Society 1938, P1832-3 CAPLUS
  5. (6) Shah, H. A.; Current Science 1938, V7, P107-8 CAPLUS
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