500542-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500542-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,5,4 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 500542-05:
(8*5)+(7*0)+(6*0)+(5*5)+(4*4)+(3*2)+(2*0)+(1*5)=92
92 % 10 = 2
So 500542-05-2 is a valid CAS Registry Number.