688316-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 688316-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,8,3,1 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 688316-86:
(8*6)+(7*8)+(6*8)+(5*3)+(4*1)+(3*6)+(2*8)+(1*6)=211
211 % 10 = 1
So 688316-86-1 is a valid CAS Registry Number.