540750-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540750-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,5 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 540750-27:
(8*5)+(7*4)+(6*0)+(5*7)+(4*5)+(3*0)+(2*2)+(1*7)=134
134 % 10 = 4
So 540750-27-4 is a valid CAS Registry Number.