866456-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866456-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,4,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 866456-67:
(8*8)+(7*6)+(6*6)+(5*4)+(4*5)+(3*6)+(2*6)+(1*7)=219
219 % 10 = 9
So 866456-67-9 is a valid CAS Registry Number.