344252-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344252-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,5 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344252-78:
(8*3)+(7*4)+(6*4)+(5*2)+(4*5)+(3*2)+(2*7)+(1*8)=134
134 % 10 = 4
So 344252-78-4 is a valid CAS Registry Number.