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189130-24-3

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189130-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189130-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,3 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189130-24:
(8*1)+(7*8)+(6*9)+(5*1)+(4*3)+(3*0)+(2*2)+(1*4)=143
143 % 10 = 3
So 189130-24-3 is a valid CAS Registry Number.

189130-24-3Relevant articles and documents

Chemoenzymatic synthesis of (2S)-2-arylpropanols through a dynamic kinetic resolution of 2-arylpropanals with alcohol dehydrogenases

Galletti, Paola,Emer, Enrico,Gucciardo, Gabriele,Quintavalla, Arianna,Pori, Matteo,Giacomini, Daria

, p. 4117 - 4123 (2010)

We applied Horse Liver Alcohol Dehydrogenase (HLADH) to the enantioselective synthesis of six (2S)-2-arylpropanols, useful intermediates in the synthesis of Profens. The influence of substrate structure and reaction conditions on yields and enantioselectivity were investigated. The high yields and high enantioselectivity towards the (S)-enantiomer obtained in the bioreduction of 2-arylpropionic aldehydes, clearly indicate the achievement of a DKR process through a combination of an enzyme-catalyzed kinetic reduction with a chemical base-catalyzed racemization of the unreacted aldehydes. The racemization step is represented by the keto-enol equilibrium of the aldehyde and can be controlled by modulating pH and reaction conditions.

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