334474-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334474-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,4,7 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 334474-80:
(8*3)+(7*3)+(6*4)+(5*4)+(4*7)+(3*4)+(2*8)+(1*0)=145
145 % 10 = 5
So 334474-80-5 is a valid CAS Registry Number.