4723-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4723-32-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,2 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4723-32:
(6*4)+(5*7)+(4*2)+(3*3)+(2*3)+(1*2)=84
84 % 10 = 4
So 4723-32-4 is a valid CAS Registry Number.
4723-32-4Relevant articles and documents
Depsidone Synthesis. Part 19. Some β-Orcinol Depsidones
Sala, Tony,Sargent, Melvyn V.
, p. 877 - 882 (2007/10/02)
The synthesis of the lichen depsidones 3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo-dioxepin-7-carboxylic acid (hypoprotocetraric acid) (4), 8-hydroxy-3-methoxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzodioxepin-7-carboxylic acid (
