2050-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2050-42-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,5 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2050-42:
(6*2)+(5*0)+(4*5)+(3*0)+(2*4)+(1*2)=42
42 % 10 = 2
So 2050-42-2 is a valid CAS Registry Number.