50540-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50540-15-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,4 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50540-15:
(7*5)+(6*0)+(5*5)+(4*4)+(3*0)+(2*1)+(1*5)=83
83 % 10 = 3
So 50540-15-3 is a valid CAS Registry Number.