65615-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65615-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,1 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 65615-58:
(7*6)+(6*5)+(5*6)+(4*1)+(3*5)+(2*5)+(1*8)=139
139 % 10 = 9
So 65615-58-9 is a valid CAS Registry Number.
65615-58-9Relevant articles and documents
An efficient total synthesis of chrysophanol and the sennoside C aglycon
Kuhnert, Nikolai,Molod, Hoshiar Y.
, p. 7571 - 7573 (2007/10/03)
A rapid synthetic approach to the naturally occurring chrysophanol and the sennoside C aglycon is reported. The method involves a three-step protocol starting with commercially available aloin-A to give the two title compounds.