344880-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344880-65-5 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, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 344880-65:
(8*3)+(7*4)+(6*4)+(5*8)+(4*8)+(3*0)+(2*6)+(1*5)=165
165 % 10 = 5
So 344880-65-5 is a valid CAS Registry Number.