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879503-84-1

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879503-84-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 879503-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,5,0 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 879503-84:
(8*8)+(7*7)+(6*9)+(5*5)+(4*0)+(3*3)+(2*8)+(1*4)=221
221 % 10 = 1
So 879503-84-1 is a valid CAS Registry Number.

879503-84-1Downstream Products

879503-84-1Relevant articles and documents

Synthesis and antimycobacterial evaluation of substituted pyrazinecarboxamides

Dolezal, Martin,Cmedlova, Pavlina,Palek, Lukas,Vinsova, Jarmila,Kunes, Jiri,Buchta, Vladimir,Jampilek, Josef,Kralova, Katarina

, p. 1105 - 1113 (2008/09/20)

Unsubstituted, halogenated and/or alkylated pyrazine-2-carboxylic acid amides connected via -CONH- bridge with substituted anilines were synthesized using currently known synthetic pathways. The synthetic approach, analytical, spectroscopic, lipophilicity and biological data of 20 newly synthesized compounds are presented. Structure-activity relationships among the chemical structures, the antimycobacterial, antifungal, photosynthesis inhibiting and antialgal activity of the evaluated substituted N-phenylpyrazine-2-carboxamides are discussed. 5-tert-Butyl-6-chloro-N-(3-trifluoromethylphenyl)pyrazine-2-carboxamide (19) has shown the highest activity against Mycobacterium tuberculosis H37Rv (MIC = 3.13 μg/mL). The highest antifungal effect against Trichophyton mentagrophytes, the most susceptible fungal strain tested, was found for N-(3-trifluoromethylphenyl)pyrazine-2-carboxamide (14, MIC = 62.5 μmol/mL). The highest reduction of chlorophyll content in Chlorella vulgaris was found for pyrazine-2-carboxylic acid (3-trifluoromethylphenyl)amide (9, IC50 = 12.1 μmol/L).

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