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957828-80-7

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957828-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 957828-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,8,2 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 957828-80:
(8*9)+(7*5)+(6*7)+(5*8)+(4*2)+(3*8)+(2*8)+(1*0)=237
237 % 10 = 7
So 957828-80-7 is a valid CAS Registry Number.

957828-80-7Downstream Products

957828-80-7Relevant articles and documents

A general approach to the synthesis of substituted isoxazolo[4,3-c] quinolines via chalcones

Madapa, Sudharshan,Sridhar, Divya,Yadav, Gaya P.,Maulik, Prakas R.,Batra, Sanjay

, p. 4343 - 4351 (2008/04/13)

A general and practical approach to the synthesis of substituted isoxazolo[4,3-c]quinolines from the substituted isoxazolines obtained by 1,3-dipolar cycloadditions between 2-nitrobenzonitrile oxide and chalcones is described. SnCl2·2H2O-mediated reduction of the nitro group, followed by intramolecular cyclization involving the amino and the keto groups in these substrates, furnished mixtures of isoxazolo[4,3-c] quinolines and 3,5-dihydroisoxazolo[4,3-c]-quinolines. In contrast, the reduction of these substrates with Fe/AcOH unexpectedly yielded 3-benzoylquinolin-4-yl-amine derivatives. Wiley-VCH Verlag GmbH & Co. KGaA, 2007.

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