344565-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344565-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,5,6 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 344565-09:
(8*3)+(7*4)+(6*4)+(5*5)+(4*6)+(3*5)+(2*0)+(1*9)=149
149 % 10 = 9
So 344565-09-9 is a valid CAS Registry Number.