688315-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 688315-30-2 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 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 688315-30:
(8*6)+(7*8)+(6*8)+(5*3)+(4*1)+(3*5)+(2*3)+(1*0)=192
192 % 10 = 2
So 688315-30-2 is a valid CAS Registry Number.