540751-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540751-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,5 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 540751-85:
(8*5)+(7*4)+(6*0)+(5*7)+(4*5)+(3*1)+(2*8)+(1*5)=147
147 % 10 = 7
So 540751-85-7 is a valid CAS Registry Number.