50773-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50773-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,7 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 50773-21:
(7*5)+(6*0)+(5*7)+(4*7)+(3*3)+(2*2)+(1*1)=112
112 % 10 = 2
So 50773-21-2 is a valid CAS Registry Number.