87918-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87918-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,1 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87918-51:
(7*8)+(6*7)+(5*9)+(4*1)+(3*8)+(2*5)+(1*1)=182
182 % 10 = 2
So 87918-51-2 is a valid CAS Registry Number.