5271-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5271-51-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,7 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5271-51:
(6*5)+(5*2)+(4*7)+(3*1)+(2*5)+(1*1)=82
82 % 10 = 2
So 5271-51-2 is a valid CAS Registry Number.