864658-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864658-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,4,6,5 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 864658-66:
(8*8)+(7*6)+(6*4)+(5*6)+(4*5)+(3*8)+(2*6)+(1*6)=222
222 % 10 = 2
So 864658-66-2 is a valid CAS Registry Number.