31461-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31461-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,4,6 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31461-16:
(7*3)+(6*1)+(5*4)+(4*6)+(3*1)+(2*1)+(1*6)=82
82 % 10 = 2
So 31461-16-2 is a valid CAS Registry Number.