540522-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540522-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,5,2 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 540522-59:
(8*5)+(7*4)+(6*0)+(5*5)+(4*2)+(3*2)+(2*5)+(1*9)=126
126 % 10 = 6
So 540522-59-6 is a valid CAS Registry Number.