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57259-91-3

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57259-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57259-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,5 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57259-91:
(7*5)+(6*7)+(5*2)+(4*5)+(3*9)+(2*9)+(1*1)=153
153 % 10 = 3
So 57259-91-3 is a valid CAS Registry Number.

57259-91-3Downstream Products

57259-91-3Relevant articles and documents

Antimalarials. Synthesis and antimalarial activity of 1 (4 methoxycinnamoyl) 4 (5 phenyl 4 oxo 2 oxazolin 2 yl)piperazine and derivatives

Herrin,Pauvlik,Schuber,Geiszler

, p. 1216 - 1223 (2007/10/04)

The preparation and activity against Plasmodium berghei of derivatives of 1 (4 methoxycinnamoyl) 4 (5 phenyl 4 oxo 2 oxazolin 2 yl)piperazine are described. Replacement of the cinnamoyl group was accomplished by acylation or alkylation of 1 (5 phenyl 4 oxo 2 oxazolin 2 yl)piperazine. Modifications of the 5 phenyl group were prepared either by a sequence of reactions involving mandelic ester pemoline piperazine pemoline or by the reaction of 5 aryl 2 thio 2,4 oxazolidinedione with piperazine or N substituted piperazines. In a similar manner, pemoline was allowed to react with N arylpiperazine, hexahydro 1H 1,4 diazepine, and 2,6 dimethylpiperazine to provide N arylpiperazine pemoline derivatives and variations in the piperazine moiety. Several compounds in which the 2 oxazolin 4 one ring was replaced with other heterocyclic rings were prepared as were several open chain analogs. Five compounds (three of them substituted in the para position of the 5 phenyl group and two N arylpiperazine pemoline derivatives) were found to be active against Plasmodium berghei. The remaining active compound possessed changes in the cinnamoyl group and substitution on the 5 phenyl group.

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