617680-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 617680-03-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,7,6,8 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 617680-03:
(8*6)+(7*1)+(6*7)+(5*6)+(4*8)+(3*0)+(2*0)+(1*3)=162
162 % 10 = 2
So 617680-03-2 is a valid CAS Registry Number.