394-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 394-72-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,9 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 394-72:
(5*3)+(4*9)+(3*4)+(2*7)+(1*2)=79
79 % 10 = 9
So 394-72-9 is a valid CAS Registry Number.