444909-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444909-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,9,0 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 444909-42:
(8*4)+(7*4)+(6*4)+(5*9)+(4*0)+(3*9)+(2*4)+(1*2)=166
166 % 10 = 6
So 444909-42-6 is a valid CAS Registry Number.