26620-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26620-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,2 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26620-13:
(7*2)+(6*6)+(5*6)+(4*2)+(3*0)+(2*1)+(1*3)=93
93 % 10 = 3
So 26620-13-3 is a valid CAS Registry Number.