865659-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 865659-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,6,5 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 865659-22:
(8*8)+(7*6)+(6*5)+(5*6)+(4*5)+(3*9)+(2*2)+(1*2)=219
219 % 10 = 9
So 865659-22-9 is a valid CAS Registry Number.