16723-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16723-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,2 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16723-71:
(7*1)+(6*6)+(5*7)+(4*2)+(3*3)+(2*7)+(1*1)=110
110 % 10 = 0
So 16723-71-0 is a valid CAS Registry Number.