540495-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540495-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,4,9 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 540495-32:
(8*5)+(7*4)+(6*0)+(5*4)+(4*9)+(3*5)+(2*3)+(1*2)=147
147 % 10 = 7
So 540495-32-7 is a valid CAS Registry Number.