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(1R,2R,3R,4R)-1-Cyano-2-[4-((E)-2-cyano-2-ethoxycarbonyl-vinyl)-phenyl]-4-{4-[(E)-2-(1-ethyl-propoxycarbonyl)-vinyl]-phenyl}-cyclobutane-1,3-dicarboxylic acid 1-ethyl ester 3-(1-ethyl-propyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81408-91-5

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81408-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81408-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81408-91:
(7*8)+(6*1)+(5*4)+(4*0)+(3*8)+(2*9)+(1*1)=125
125 % 10 = 5
So 81408-91-5 is a valid CAS Registry Number.

81408-91-5Downstream Products

81408-91-5Relevant academic research and scientific papers

Engineering of Chiral Crystals for Asymmetric (2? + 2?) Photopolymerization. Execution of an "Absolute" Asymmetric Synthesis with Quantitative Enantiomeric Yield

Addadi, Lia,Mil, Jan van,Lahav, Meir

, p. 3422 - 3429 (2007/10/02)

An "absolute asymmetric synthesis" with quantitative enantiomeric yield, via the process of crystallization of a nonchiral compound in a chiral crystal followed by a topochemical photoreaction, has been successfully executed.The needed crystalline chiral

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