487-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 487-57-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 487-57:
(5*4)+(4*8)+(3*7)+(2*5)+(1*7)=90
90 % 10 = 0
So 487-57-0 is a valid CAS Registry Number.