864420-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864420-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,4,2 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 864420-98:
(8*8)+(7*6)+(6*4)+(5*4)+(4*2)+(3*0)+(2*9)+(1*8)=184
184 % 10 = 4
So 864420-98-4 is a valid CAS Registry Number.