72559-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72559-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,5 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72559-76:
(7*7)+(6*2)+(5*5)+(4*5)+(3*9)+(2*7)+(1*6)=153
153 % 10 = 3
So 72559-76-3 is a valid CAS Registry Number.
72559-76-3Relevant articles and documents
Selenium dioxide oxidation of steroidal 1,4-dien-3-ones. A simple and convenient route to 6-hydroxycorticosteroids
Terasawa,Okada
, p. 307 - 317 (1991)
A convenient one-step procedure for the chemical synthesis of 6-hydroxycorticosteroids involving allylic oxidation of selenium dioxide is described.
