680571-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680571-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,5,7 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 680571-74:
(8*6)+(7*8)+(6*0)+(5*5)+(4*7)+(3*1)+(2*7)+(1*4)=178
178 % 10 = 8
So 680571-74-8 is a valid CAS Registry Number.