440643-07-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 440643-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,6,4 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 440643-07:
(8*4)+(7*4)+(6*0)+(5*6)+(4*4)+(3*3)+(2*0)+(1*7)=122
122 % 10 = 2
So 440643-07-2 is a valid CAS Registry Number.