265666-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 265666-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,5,6,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 265666-28:
(8*2)+(7*6)+(6*5)+(5*6)+(4*6)+(3*6)+(2*2)+(1*8)=172
172 % 10 = 2
So 265666-28-2 is a valid CAS Registry Number.