344884-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344884-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,8 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 344884-53:
(8*3)+(7*4)+(6*4)+(5*8)+(4*8)+(3*4)+(2*5)+(1*3)=173
173 % 10 = 3
So 344884-53-3 is a valid CAS Registry Number.