87458-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87458-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,5 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87458-18:
(7*8)+(6*7)+(5*4)+(4*5)+(3*8)+(2*1)+(1*8)=172
172 % 10 = 2
So 87458-18-2 is a valid CAS Registry Number.