543740-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 543740-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,4 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 543740-53:
(8*5)+(7*4)+(6*3)+(5*7)+(4*4)+(3*0)+(2*5)+(1*3)=150
150 % 10 = 0
So 543740-53-0 is a valid CAS Registry Number.