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124040-95-5

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124040-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124040-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,4 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 124040-95:
(8*1)+(7*2)+(6*4)+(5*0)+(4*4)+(3*0)+(2*9)+(1*5)=85
85 % 10 = 5
So 124040-95-5 is a valid CAS Registry Number.

124040-95-5Upstream product

124040-95-5Relevant articles and documents

Multiple Enantioselection by an Enzyme-Catalyzed Transacylation Reaction

Lin, Gialih,Chen, Show-Jane,Sun, Hwey-Lin

, p. 459 - 466 (2007/10/03)

Multiply enantioselective enzyme-catalyzed transacylation reactions are described.Two instances of triply enantioselective enzyme-catalyzed transacylations are 1) the reaction of rac-1-indanol with rac-1,1'-bi-2-naphthyl-2,2'-dibutyrate to afford (S)-1-indanol, (R)-1-indanylacetate, (S)-1,1'-bi-2-naphthyl-2,2'-diol, and (R)-1,1'-bi-2-naphthyl-2,2'-dibutyrate and 2) the reaction of rac-1-indanol with rac-2,2'-bis(butyroxymethyl)biphenyl to afford (S)-1-indanol, (R)-1-indanylbutyrate, (S)-2,2'-biphenyldimethanol, and (R)-2,2'-bis(butyroxy-methyl)biphenyl.Doubly enantioselective enzyme-catalyzed transacylations are described according to two instances: 1) the reaction of rac-1-indanol with rac-1,1'-bi-2-naphthyl-2-ol-2'-butyrate afforded (S)-1-indanol, (R)-1-indanylacetate, (S)-1,1'-bi-2-naphthyl-2,2'-diol, and (R)-1,1'-bi-2-naphthyl-2-ol-2'-butyrate, and 2) the reaction of rac-1-indanol with 1,3,5-O-methylidne-2,4,6-tri-O-butyrate-myo-inositol to afford (S)-1-indanol, (R)-1-indanylbutyrate, and 1,3,5-O-methylidne-2,6-di-O-butyrate-myo-inositol.Multiply enantioselective enzyme-catalyzed reactions have a merit of the enhancement of enantiomeric excess over singly enantioselective ones. - Key Words Enzyme in organic synthesis; Kinetic resolution; Lipase.

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