86420-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86420-17-9 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 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 86420-17:
(7*8)+(6*6)+(5*4)+(4*2)+(3*0)+(2*1)+(1*7)=129
129 % 10 = 9
So 86420-17-9 is a valid CAS Registry Number.