50436-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50436-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50436-54:
(7*5)+(6*0)+(5*4)+(4*3)+(3*6)+(2*5)+(1*4)=99
99 % 10 = 9
So 50436-54-9 is a valid CAS Registry Number.