415686-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 415686-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,5,6,8 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 415686-54:
(8*4)+(7*1)+(6*5)+(5*6)+(4*8)+(3*6)+(2*5)+(1*4)=163
163 % 10 = 3
So 415686-54-3 is a valid CAS Registry Number.