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189955-81-5

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189955-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189955-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,5 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189955-81:
(8*1)+(7*8)+(6*9)+(5*9)+(4*5)+(3*5)+(2*8)+(1*1)=215
215 % 10 = 5
So 189955-81-5 is a valid CAS Registry Number.

189955-81-5Relevant articles and documents

(Methylsulfonyl)phenyl-2-(5H)-furanones as COX-2 inhibitors

-

, (2008/06/13)

The invention encompasses the novel compound of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases. STR1 The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.

A new structural variation on the methanesulfonylphenyl class of selective cyclooxygenase-2 inhibitors

Li, Chun-Sing,Black, W. Cameron,Brideau, Christine,Chan, Chi Chung,Charleson, Stella,Cromlish, Wanda A.,Claveau, David,Yves Gauthier, Jacques,Gordon, Robert,Greig, Gillian,Grimm, Erich,Guay, Jocelyne,Lau, Cheuk K.,Riendeau, Denis,Therien, Michel,Visco, Denise M.,Wong, Elizabeth,Xu, Lijing,Prasit, Petpiboon

, p. 3181 - 3186 (2007/10/03)

By inserting an oxygen link between the 3-fluorophenyl and the lactone ring of 5,5-dimethyl-3-(3-fluorophenyl)-4-(4-methanesulfonylphenyl)-2(5H)-furanone 1 (DFU), analogs with enhanced in vitro COX-2 inhibitory potency as well as in vivo potency in models of inflammation were obtained.

Alkylated styrenes as prodrugs to COX-2 inhibitors

-

, (2008/06/13)

The invention encompasses the novel compound of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases. STR1 The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.

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