635680-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635680-17-0 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 635680-17:
(8*6)+(7*3)+(6*5)+(5*6)+(4*8)+(3*0)+(2*1)+(1*7)=170
170 % 10 = 0
So 635680-17-0 is a valid CAS Registry Number.