5251-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5251-26-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,5 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5251-26:
(6*5)+(5*2)+(4*5)+(3*1)+(2*2)+(1*6)=73
73 % 10 = 3
So 5251-26-3 is a valid CAS Registry Number.