209224-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209224-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,2,2 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 209224-89:
(8*2)+(7*0)+(6*9)+(5*2)+(4*2)+(3*4)+(2*8)+(1*9)=125
125 % 10 = 5
So 209224-89-5 is a valid CAS Registry Number.
209224-89-5Relevant articles and documents
Pyrazole derivatives
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, (2008/06/13)
The present invention relates to a compound represented by the general formula [I]: wherein A and B rings are ortho-condensed to each other, A ring represents an aromatic carbocyclic or heterocyclic ring and B ring represents an aliphatic four- to seven-m