2298-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2298-26-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,9 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2298-26:
(6*2)+(5*2)+(4*9)+(3*8)+(2*2)+(1*6)=92
92 % 10 = 2
So 2298-26-2 is a valid CAS Registry Number.