9050-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9050-09-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,5 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 9050-09:
(6*9)+(5*0)+(4*5)+(3*0)+(2*0)+(1*9)=83
83 % 10 = 3
So 9050-09-3 is a valid CAS Registry Number.