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1491151-39-3

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1491151-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1491151-39-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,1,1,5 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1491151-39:
(9*1)+(8*4)+(7*9)+(6*1)+(5*1)+(4*5)+(3*1)+(2*3)+(1*9)=153
153 % 10 = 3
So 1491151-39-3 is a valid CAS Registry Number.

1491151-39-3Downstream Products

1491151-39-3Relevant articles and documents

Enzymatic transesterification of pharmacologically interesting β-aminocycloalkanol precursors

Gonzalez-Sabin, Javier,Rios-Lombardia, Nicolas,Gotor, Vicente,Moris, Francisco

, p. 1421 - 1425 (2013/12/04)

Chemoenzymatic syntheses of both enantiomers of cis- and trans-2-aminocyclopentanol as well as cis- and trans-2-aminocyclohexanol, which are valuable building blocks for a plethora of ligands and pharmaceuticals have been efficiently carried out. The strategy involves the stereospecific syntheses of racemic aminocycloalkanol precursors via tagging of a phthalimide as a masking group and subsequent lipase-catalyzed kinetic resolution. Most of the lipases exhibited excellent enantioselectivity (E a‰ 200) in the transesterification reactions of trans-derivatives, with both N-protected (R,R)-amino acetates and (S,S)-amino alcohols being isolated in enantiopure form. With regard to cis-derivatives, lipases were also very selective, even though the biotransformations were significantly slower.

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