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98557-45-0

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98557-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98557-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,5 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98557-45:
(7*9)+(6*8)+(5*5)+(4*5)+(3*7)+(2*4)+(1*5)=190
190 % 10 = 0
So 98557-45-0 is a valid CAS Registry Number.

98557-45-0Relevant articles and documents

SULFONAMIDE DERIVATIVES FOR THERAPEUTIC USE AS FATTY ACID SYNTHASE INHIBITORS

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Page/Page column 160-161, (2008/12/06)

A compound of formula (I) or a pharmaceutically acceptable salt thereof, processes for preparing such compounds, their use as Fatty Acid Synthase inhibitors, methods for their therapeutic use, particularly in the treatment of obesity and diabetes mellitus

Utility of Complementary Molecular Reactivity and Molecular Recognition (CMR/R) Technology and Polymer-Supported Reagents in the Solution-Phase Synthesis of Heterocyclic Carboxamides

Parlow, John J.,Mischke, Deborah A.,Woodard, Scott S.

, p. 5908 - 5919 (2007/10/03)

The use of our recently reported chemical library purification strategy in the development of a herbicidal lead, N-(3-benzoylphenyl)-3-(1,1-dimethylethyl)-1-methyl-1H-pyrazole-5-carboxamide (3), is described. The approach applying fundamental properties of complementary molecular reactivity and molecular recognition (CMR/R) as the basis for a general purification strategy was utilized. Polymeric reagents were used in the synthesis to generate reactive species involved in product formation, and complementary molecular reactivity/molecular recognition polymer 8 (CMR/R polymer 8) was used in the solution-phase syntheses of building blocks, primary libraries, and lead refinement libraries. An extension of the CMR/R methodology was applied, utilizing a sequestration enabling reagent (SER), transforming a reactant into an electrophilic species sequestrable by CMR/R polymer 8. This library purification strategy enabled rapid lead generation and lead refinement to afford herbicide 27o. The CMR/R solid-phase purification technique enabled a simple, general, and powerful protocol, eliminating the usual tedious and time-consuming methods required for solution-phase product purification. The result was the synthesis of hundreds of compounds, prepared in a relatively short time, leading to a compound with a 4-fold improvement in herbicidal activity over the initial lead.

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