42844-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42844-38-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,4 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42844-38:
(7*4)+(6*2)+(5*8)+(4*4)+(3*4)+(2*3)+(1*8)=122
122 % 10 = 2
So 42844-38-2 is a valid CAS Registry Number.