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1431753-25-1

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1431753-25-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1431753-25-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,7,5 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1431753-25:
(9*1)+(8*4)+(7*3)+(6*1)+(5*7)+(4*5)+(3*3)+(2*2)+(1*5)=141
141 % 10 = 1
So 1431753-25-1 is a valid CAS Registry Number.

1431753-25-1Relevant articles and documents

Photochemical transformation of a 1,2-dihydropyridin-3-one: An original tandem retro-[4+2]/[2+2] cycloaddition process

Aitken, David J.,Frongia, Angelo,Gaucher, Xavier,Ollivier, Jean,Rafique, Hummera,Sambiagio, Carlo,Secci, Francesco

, p. 2825 - 2827 (2013/06/26)

The UV irradiation of N-benzyl-2-phenyl-1,2-dihydropyridin-3-one furnished trans-1-benzyl-4-phenyl-3-vinylazetidin-2-one, a structural isomer, as the main product. A novel tandem mechanism involving a [4+2] photocycloreversion followed by a Staudinger cycloaddition reaction is proposed, and is supported with the trapping of the purported vinylketene intermediate by other imines. This process predominates in the presence of ethylene, precluding the formation of an intermolecular [2+2] cyclobutane adduct.

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