540801-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540801-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,8,0 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 540801-92:
(8*5)+(7*4)+(6*0)+(5*8)+(4*0)+(3*1)+(2*9)+(1*2)=131
131 % 10 = 1
So 540801-92-1 is a valid CAS Registry Number.