440672-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 440672-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,6,7 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 440672-63:
(8*4)+(7*4)+(6*0)+(5*6)+(4*7)+(3*2)+(2*6)+(1*3)=139
139 % 10 = 9
So 440672-63-9 is a valid CAS Registry Number.