344880-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344880-72-4 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 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 344880-72:
(8*3)+(7*4)+(6*4)+(5*8)+(4*8)+(3*0)+(2*7)+(1*2)=164
164 % 10 = 4
So 344880-72-4 is a valid CAS Registry Number.