42059-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42059-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,5 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42059-84:
(7*4)+(6*2)+(5*0)+(4*5)+(3*9)+(2*8)+(1*4)=107
107 % 10 = 7
So 42059-84-7 is a valid CAS Registry Number.