417722-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 417722-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,7,7,2 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 417722-38:
(8*4)+(7*1)+(6*7)+(5*7)+(4*2)+(3*2)+(2*3)+(1*8)=144
144 % 10 = 4
So 417722-38-4 is a valid CAS Registry Number.