2209-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2209-09-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2209-09:
(6*2)+(5*2)+(4*0)+(3*9)+(2*0)+(1*9)=58
58 % 10 = 8
So 2209-09-8 is a valid CAS Registry Number.
2209-09-8Relevant articles and documents
TYK2 INHIBITORS AND USES THEREOF
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Paragraph 2043-2045, (2020/05/14)
The present invention provides compounds, compositions thereof, and methods of using the same for the inhibition of TYK2, and the treatment of TYK2-mediated disorders.