16723-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16723-24-3 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, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16723-24:
(7*1)+(6*6)+(5*7)+(4*2)+(3*3)+(2*2)+(1*4)=103
103 % 10 = 3
So 16723-24-3 is a valid CAS Registry Number.