42175-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42175-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,7 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42175-53:
(7*4)+(6*2)+(5*1)+(4*7)+(3*5)+(2*5)+(1*3)=101
101 % 10 = 1
So 42175-53-1 is a valid CAS Registry Number.