157916-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157916-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,1 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157916-93:
(8*1)+(7*5)+(6*7)+(5*9)+(4*1)+(3*6)+(2*9)+(1*3)=173
173 % 10 = 3
So 157916-93-3 is a valid CAS Registry Number.