665017-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 665017-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,5,0,1 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 665017-24:
(8*6)+(7*6)+(6*5)+(5*0)+(4*1)+(3*7)+(2*2)+(1*4)=153
153 % 10 = 3
So 665017-24-3 is a valid CAS Registry Number.