457630-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457630-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,3 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 457630-81:
(8*4)+(7*5)+(6*7)+(5*6)+(4*3)+(3*0)+(2*8)+(1*1)=168
168 % 10 = 8
So 457630-81-8 is a valid CAS Registry Number.