70574-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70574-95-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,7 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 70574-95:
(7*7)+(6*0)+(5*5)+(4*7)+(3*4)+(2*9)+(1*5)=137
137 % 10 = 7
So 70574-95-7 is a valid CAS Registry Number.
70574-95-7Relevant articles and documents
Synthesis of 24-Dehydrocholecalciferol
Yang, Shu Shu,Dorn, Conrad P.,Jones, Howard
, p. 329 - 334 (1980)
This paper describes the synthesis of 24-dehydrocholecalciferol from 5,7-cholestadiene-3β,25-diol 3-acetate.