286853-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 286853-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,6,8,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 286853-99:
(8*2)+(7*8)+(6*6)+(5*8)+(4*5)+(3*3)+(2*9)+(1*9)=204
204 % 10 = 4
So 286853-99-4 is a valid CAS Registry Number.