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(E)-(+/-)-2-[α-(hydroxyimino)benzyl]-1,1'-binaphthyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

740809-95-4

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740809-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 740809-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 740809-95:
(8*7)+(7*4)+(6*0)+(5*8)+(4*0)+(3*9)+(2*9)+(1*5)=174
174 % 10 = 4
So 740809-95-4 is a valid CAS Registry Number.

740809-95-4Relevant academic research and scientific papers

Different recognitions of (E)- and (Z)-1,1′-binaphthyl ketoximes using lipase-catalyzed reactions

Aoyagi, Naoto,Kawauchi, Shinji,Izumi, Taeko

, p. 5189 - 5192 (2007/10/03)

Lipase-catalyzed hydrolysis of (E)-2-[α-(acetoxyimino)benzyl]-1, 1′-binaphthyl [(±)-1a] and (Z)-2-[α-(acetoxyimino)benzyl]-1, 1′-binaphthyl [(±)-1b] yielded optically active (E)-2-[α-(hydroxyimino)benzyl]-1,1′-binaphthyl [(S)-2a] and (Z)-2-[α-(hydroxyimino)benzyl]-1,1′-binaphthyl [(R)-2b], respectively, with high enantiomeric excess. Selectivity for the opposite enantiomer of the axial binaphthyl skeleton was shown by (Z)-isomer 1b against (E)-isomer 1a.

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