407577-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 407577-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,7,5,7 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 407577-72:
(8*4)+(7*0)+(6*7)+(5*5)+(4*7)+(3*7)+(2*7)+(1*2)=164
164 % 10 = 4
So 407577-72-4 is a valid CAS Registry Number.