2723-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2723-17-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,2 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2723-17:
(6*2)+(5*7)+(4*2)+(3*3)+(2*1)+(1*7)=73
73 % 10 = 3
So 2723-17-3 is a valid CAS Registry Number.