86421-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86421-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,4,2 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86421-59:
(7*8)+(6*6)+(5*4)+(4*2)+(3*1)+(2*5)+(1*9)=142
142 % 10 = 2
So 86421-59-2 is a valid CAS Registry Number.