4665-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4665-02-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,6 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4665-02:
(6*4)+(5*6)+(4*6)+(3*5)+(2*0)+(1*2)=95
95 % 10 = 5
So 4665-02-5 is a valid CAS Registry Number.
4665-02-5Relevant articles and documents
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Asahina,Tanase
, (1933)
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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 (