16143-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16143-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16143-25:
(7*1)+(6*6)+(5*1)+(4*4)+(3*3)+(2*2)+(1*5)=82
82 % 10 = 2
So 16143-25-2 is a valid CAS Registry Number.