93516-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93516-17-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,1 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93516-17:
(7*9)+(6*3)+(5*5)+(4*1)+(3*6)+(2*1)+(1*7)=137
137 % 10 = 7
So 93516-17-7 is a valid CAS Registry Number.