145665-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145665-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,6,6 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 145665-66:
(8*1)+(7*4)+(6*5)+(5*6)+(4*6)+(3*5)+(2*6)+(1*6)=153
153 % 10 = 3
So 145665-66-3 is a valid CAS Registry Number.