688320-14-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 688320-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,8,3,2 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 688320-14:
(8*6)+(7*8)+(6*8)+(5*3)+(4*2)+(3*0)+(2*1)+(1*4)=181
181 % 10 = 1
So 688320-14-1 is a valid CAS Registry Number.