457630-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457630-80-7 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 457630-80:
(8*4)+(7*5)+(6*7)+(5*6)+(4*3)+(3*0)+(2*8)+(1*0)=167
167 % 10 = 7
So 457630-80-7 is a valid CAS Registry Number.