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spiro[1,3-dioxolane[2',6]-2-(4-fluorophenyl)-3-(2-methylsulfanyl-pyrimidin-4-yl)-6,7-dihydro-5H-pyrazolo[1,2-a]pyrazol-1-one] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

503303-81-9

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503303-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503303-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,3,0 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 503303-81:
(8*5)+(7*0)+(6*3)+(5*3)+(4*0)+(3*3)+(2*8)+(1*1)=99
99 % 10 = 9
So 503303-81-9 is a valid CAS Registry Number.

503303-81-9Downstream Products

503303-81-9Relevant academic research and scientific papers

Convergent synthesis of 2,3-bisarylpyrazolones through cyclization of bisacylated pyrazolidines and hydrazines

Brugel, Todd A.,Hudlicky, Tomas,Clark, Michael P.,Golebiowski, Adam,Sabat, Mark,Endoma, Mary Ann A.,Bui, Vu,Adams, David,Laufersweiler, Matthew J.,Maier, Jennifer A.,Bookland, Roger G.,De, Biswanath

, p. 3195 - 3198 (2007/10/03)

Cyclization of various bisacylated hydrazines and pyrazolidines using DBU or sodium hydride leads to the formation of various mono-, bi- and tricyclic pyrazolone scaffolds in 41-98% yield. The convergent nature by which the precyclization intermediates are constructed allows for rapid derivatization about the pyrazolone core.

The development of novel inhibitors of tumor necrosis factor-α (TNF-α) production based on substituted [5,5]-bicyclic pyrazolones

Laufersweiler, Matthew J.,Brugel, Todd A.,Clark, Michael P.,Golebiowski, Adam,Bookland, Roger G.,Laughlin, Steven K.,Sabat, Mark P.,Townes, Jennifer A.,VanRens, John C.,De, Biswanath,Hsieh, Lily C.,Heitmeyer, Sandra A.,Juergens, Karen,Brown, Kimberly K.,Mekel, Marlene J.,Walter, Richard L.,Janusz, Michael J.

, p. 4267 - 4272 (2007/10/03)

Novel substituted [5,5]-bicyclic pyrzazolones are presented as inhibitors of tumor necrosis factor-α (TNF-α) production. Many of these compounds show low nanomolar activity against lipopolysaccaride (LPS)-induced TNF-α production in THP-1 cells. This clas

Spirocyclic-6,7-dihydro-5H-pyrazolo[1,2-a]pyrazol-1-ones which control inflammatory cytokines

-

, (2008/06/13)

The present invention relates to compound which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, including all enantiomeric and diasteriomeric forms and pharmaceutically acceptable salts thereof, have the form

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