565237-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 565237-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,5,2,3 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 565237-17:
(8*5)+(7*6)+(6*5)+(5*2)+(4*3)+(3*7)+(2*1)+(1*7)=164
164 % 10 = 4
So 565237-17-4 is a valid CAS Registry Number.