690265-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690265-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,6 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 690265-28:
(8*6)+(7*9)+(6*0)+(5*2)+(4*6)+(3*5)+(2*2)+(1*8)=172
172 % 10 = 2
So 690265-28-2 is a valid CAS Registry Number.