635680-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635680-15-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,5,6,8 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 635680-15:
(8*6)+(7*3)+(6*5)+(5*6)+(4*8)+(3*0)+(2*1)+(1*5)=168
168 % 10 = 8
So 635680-15-8 is a valid CAS Registry Number.