26881-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26881-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,8,8 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26881-59:
(7*2)+(6*6)+(5*8)+(4*8)+(3*1)+(2*5)+(1*9)=144
144 % 10 = 4
So 26881-59-4 is a valid CAS Registry Number.