208652-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208652-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,6,5 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 208652-17:
(8*2)+(7*0)+(6*8)+(5*6)+(4*5)+(3*2)+(2*1)+(1*7)=129
129 % 10 = 9
So 208652-17-9 is a valid CAS Registry Number.