4702-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4702-73-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,0 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4702-73:
(6*4)+(5*7)+(4*0)+(3*2)+(2*7)+(1*3)=82
82 % 10 = 2
So 4702-73-2 is a valid CAS Registry Number.