330440-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330440-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,4,4 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 330440-54:
(8*3)+(7*3)+(6*0)+(5*4)+(4*4)+(3*0)+(2*5)+(1*4)=95
95 % 10 = 5
So 330440-54-5 is a valid CAS Registry Number.