93665-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93665-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,6 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93665-28:
(7*9)+(6*3)+(5*6)+(4*6)+(3*5)+(2*2)+(1*8)=162
162 % 10 = 2
So 93665-28-2 is a valid CAS Registry Number.