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1574828-57-1

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1574828-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1574828-57-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,4,8,2 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1574828-57:
(9*1)+(8*5)+(7*7)+(6*4)+(5*8)+(4*2)+(3*8)+(2*5)+(1*7)=211
211 % 10 = 1
So 1574828-57-1 is a valid CAS Registry Number.

1574828-57-1Downstream Products

1574828-57-1Relevant articles and documents

Synthesis and characterization of some novel multisubstituted 6,7-Dihydro-5 H -cyclopenta[ b ]pyridine derivatives

Guerdere, Meliha Burcu,Yilmaz, Burhan,Budak, Yakup

, p. 981 - 986 (2014/03/21)

In this study, we describe systematic preparation of a series of aryl-substituted pyridine derivatives. The 1,5-dicarbonyls (3a-i) were prepared in the solvent-free conditions starting from chalcone derivatives (1a-i). The target compounds, 4-aryl-2-(thiophen-3-yl)-6,7-dihydro-5H-cyclopenta[b]-pyridine derivatives (5a-i), were synthesized by a cyclization reaction of the 1,5-dicarbonyls (3a-i) with ammonium acetate (NH4OAc) in acetic acid. The characterization of synthesized compounds was proved by elemental analyses, infrared, mass spectrometry, and 1H and 13C NMR spectroscopy. [Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications for the following free supplemental resource(s): Full experimental and spectral details.]

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