286856-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 286856-17-5 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 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 286856-17:
(8*2)+(7*8)+(6*6)+(5*8)+(4*5)+(3*6)+(2*1)+(1*7)=195
195 % 10 = 5
So 286856-17-5 is a valid CAS Registry Number.