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329076-64-4

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329076-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 329076-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,0,7 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 329076-64:
(8*3)+(7*2)+(6*9)+(5*0)+(4*7)+(3*6)+(2*6)+(1*4)=154
154 % 10 = 4
So 329076-64-4 is a valid CAS Registry Number.

329076-64-4Relevant articles and documents

THIONE DERIVATIVES, PROCESSES FOR THE PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME

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Page/Page column 20, (2008/06/13)

A 1,2,4-triazole derivative of formula (1) or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided.

Synthesis of 4,5-Diaryl-1H-pyrazole-3-ol derivatives as potential COX-2 inhibitors

Patel, Meena V.,Bell, Randy,Majest, Sandra,Henry, Rodger,Kolasa, Teodozyj

, p. 7058 - 7065 (2007/10/03)

4,5-Diaryl-1H-pyrazole-3-ol was utilized as a versatile template to synthesize several classes of compounds such as pyrazolo-oxazines 7, pyrazolo-benzooxazines 9, pyrazolo-oxazoles 10, and its analogues 11a-c as potential COX-2 inhibitors. Compounds 11b,c were successfully synthesized with use of pyridinium p-toluenesulfonate mediated cyclization of the ketal intermediate. Diarylpyrazolo-benzooxazepine analogues were synthesized by using Cu-mediated cyclization of the O-alkylated arylbromide intermediate. Arylsulfonamides were synthesized efficiently on a large scale with 4-[4-(4-fluorophenyl)-5-hydroxy-2H-pyrazol-3-yl]benzenesulfonamide 31 template readily synthesized from commercially available 4-sulfamoyl benzoic acid 29. The structure of a representative compound from each class was confirmed by X-ray crystallography. Selected compounds tested for inhibitory activity against COX-1 and COX-2 enzymes showed good selectivity for COX-2 versus COX-1 enzyme.

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