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187263-73-6

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187263-73-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187263-73-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,2,6 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 187263-73:
(8*1)+(7*8)+(6*7)+(5*2)+(4*6)+(3*3)+(2*7)+(1*3)=166
166 % 10 = 6
So 187263-73-6 is a valid CAS Registry Number.

187263-73-6Relevant articles and documents

Lipase-catalysed resolution of cyclic cis- and trans-β-hydroxy esters

Levy, Laura M.,Dehli, Juan R.,Gotor, Vicente

, p. 2053 - 2058 (2007/10/03)

Lipases A and B from Candida antarctica are shown to be highly efficient and complementary biocatalysts for the resolution of five- to seven-membered cyclic β-hydroxy esters by O-acylation. Using this procedure, all four stereoisomers of each one are obtained in enantiopure form and very high yields.

Lipase-catalysed resolution of cis-1-ethoxycarbonyl-2-hydroxy-cyclohexane: Enantioselective total synthesis of 10-ethyl-trinem

Panunzio, Mauro,Camerini, Roberto,Mazzoni, Andrea,Donati, Daniele,Marchioro, Carla,Pachera, Roberta

, p. 15 - 17 (2007/10/03)

Pseudomonas fluorescens lipase (PFL) was used as catalyst for enzymatic resolution of 1-ethoxycarbonyl-2-hydroxy-cyclohexane. The resulting ester was used for the total synthesis of the novel enantiomerically pure 10 ethyl trinem.

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