540508-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540508-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,5,0 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 540508-59:
(8*5)+(7*4)+(6*0)+(5*5)+(4*0)+(3*8)+(2*5)+(1*9)=136
136 % 10 = 6
So 540508-59-6 is a valid CAS Registry Number.