418761-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 418761-91-8 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 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 418761-91:
(8*4)+(7*1)+(6*8)+(5*7)+(4*6)+(3*1)+(2*9)+(1*1)=168
168 % 10 = 8
So 418761-91-8 is a valid CAS Registry Number.