2032-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2032-17-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,3 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2032-17:
(6*2)+(5*0)+(4*3)+(3*2)+(2*1)+(1*7)=39
39 % 10 = 9
So 2032-17-9 is a valid CAS Registry Number.