418763-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 418763-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,8,7,6 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 418763-17:
(8*4)+(7*1)+(6*8)+(5*7)+(4*6)+(3*3)+(2*1)+(1*7)=164
164 % 10 = 4
So 418763-17-4 is a valid CAS Registry Number.