315716-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 315716-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,5,7,1 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 315716-34:
(8*3)+(7*1)+(6*5)+(5*7)+(4*1)+(3*6)+(2*3)+(1*4)=128
128 % 10 = 8
So 315716-34-8 is a valid CAS Registry Number.