540529-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540529-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,5,2 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 540529-61:
(8*5)+(7*4)+(6*0)+(5*5)+(4*2)+(3*9)+(2*6)+(1*1)=141
141 % 10 = 1
So 540529-61-1 is a valid CAS Registry Number.