42545-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42545-84-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,4 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42545-84:
(7*4)+(6*2)+(5*5)+(4*4)+(3*5)+(2*8)+(1*4)=116
116 % 10 = 6
So 42545-84-6 is a valid CAS Registry Number.