26028-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26028-05-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,0,2 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 26028-05:
(7*2)+(6*6)+(5*0)+(4*2)+(3*8)+(2*0)+(1*5)=87
87 % 10 = 7
So 26028-05-7 is a valid CAS Registry Number.