457939-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457939-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,9,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 457939-76:
(8*4)+(7*5)+(6*7)+(5*9)+(4*3)+(3*9)+(2*7)+(1*6)=213
213 % 10 = 3
So 457939-76-3 is a valid CAS Registry Number.