550998-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 550998-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,0,9,9 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 550998-29:
(8*5)+(7*5)+(6*0)+(5*9)+(4*9)+(3*8)+(2*2)+(1*9)=193
193 % 10 = 3
So 550998-29-3 is a valid CAS Registry Number.