26437-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26437-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,4,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26437-89:
(7*2)+(6*6)+(5*4)+(4*3)+(3*7)+(2*8)+(1*9)=128
128 % 10 = 8
So 26437-89-8 is a valid CAS Registry Number.