3011-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3011-73-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,1 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3011-73:
(6*3)+(5*0)+(4*1)+(3*1)+(2*7)+(1*3)=42
42 % 10 = 2
So 3011-73-2 is a valid CAS Registry Number.