26613-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26613-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,1 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 26613-52:
(7*2)+(6*6)+(5*6)+(4*1)+(3*3)+(2*5)+(1*2)=105
105 % 10 = 5
So 26613-52-5 is a valid CAS Registry Number.