26157-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26157-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,5 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 26157-24:
(7*2)+(6*6)+(5*1)+(4*5)+(3*7)+(2*2)+(1*4)=104
104 % 10 = 4
So 26157-24-4 is a valid CAS Registry Number.