457629-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457629-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,2 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 457629-68:
(8*4)+(7*5)+(6*7)+(5*6)+(4*2)+(3*9)+(2*6)+(1*8)=194
194 % 10 = 4
So 457629-68-4 is a valid CAS Registry Number.