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Astec® CHIRALDEX™ G-TA Capillary GC Column

L × I.D. 20 m × 0.25 mm, df 0.12 μm

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About This Item

Código UNSPSC:
41115710
NACRES:
SB.54

Materiales

fused silica

descripción

GC capillary column

envase

pkg of 1 ea

Parámetros

-10-180 °C temperature (isothermal or programmed)

Valor Beta

500

df

0.12 μm

técnicas

gas chromatography (GC): suitable

L × D.I.

20 m × 0.25 mm

grupo activo de la matriz

non-bonded; 2,6-di-O-pentyl-3-trifluoroacetyl derivative of γ-cyclodextrin phase

aplicaciones

agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
life science and biopharma
personal care
pharmaceutical (small molecule)

tipo de columna

capillary chiral

técnica de separación

chiral

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Descripción general

Astec® CHIRALDEX G-TA is the first choice in the Group 1 CSPs (Surface Interactions, Complex Derivatives). This phase has been shown to be the most broadly-selective phase for the pharmaceutical industry, especially for the analysis of chiral intermediates and drug studies in various stages of clinical trials. Separations occur without the inclusion mechanism and are typically faster and more efficient than most chiral stationary phases. G-TA has also been used to separate parent drug enantiomers and their metabolites. G-TA has its highest selectivity for oxygen-containing analytes like alcohols, diols and polyols as the free alcohol and as an acyl derivative; amines as acyl derivatives; amino alcohols, halogens (Cl>Br>F), amino acids, hydroxy acids, lactones, furans and pyrans. It is also highly selective for halogenated compounds.

Resistencia química o física

Temp. Limits:
  • -10 °C to 180 °C isothermal and programmed

Otras notas

We offer a variety of chromatography accessories including analytical syringes

Información legal

Astec is a registered trademark of Merck KGaA, Darmstadt, Germany
CHIRALDEX is a trademark of Sigma-Aldrich Co. LLC

Choose from one of the most recent versions:

Certificados de análisis (COA)

Lot/Batch Number
278068-04
278068-03
278068-02
278068-01
278067-04

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Catalytic asymmetric synthesis of Japonilure and its enantiomer
Xu, Hao, et al.
Tetrahedron Asymmetry, 25 (20-21), 1372-1375 (2014)
Investigation of a novel diamine based chiral auxiliary in the asymmetric alkylation of ketones
Clarke, Sarah L, et al.
Tetrahedron Asymmetry, 25 (4), 356-361 (2014)
Sequential kinetic resolution of (?)-2,3-butanediol in organic solvent using lipase from Pseudomonas cepacia.
Caron, Gaetan; Kazlauskas, R.J.
Tetrahedron Asymmetry, 4 (9), 1995-2000 (1993)
Asymmetric epoxidation catalyzed by esters of a-hydroxy-8-oxabicyclo[3.2.1]octan-3-one
Armstrong, A., et al.
Tetrahedron Asymmetry, 12 (20), 2779-2781 (2001)
Asymmetric ring opening of meso-epoxides with B-halobis(2-isocaranyl)boranes 2-dIcr2BX
Roy, Chandra D., Brown, Herbert C.
Tetrahedron Asymmetry, 17 (13), 1931-1936 (2006)
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Artículos

Proline Derivatization and Enantioresolution by Chiral GC

Amino acids are building blocks of peptides and proteins. Enantiomeric separation of these molecules can be performed through chromatography by chiral stationary phases. This article describes the chiral GC analysis of one amino acid, proline, after achiral derivatization.

Chiral GC Analysis of Carvone Enantiomers in Essential Oils

In this study we demonstrate the separation of D- and L-carvone enantiomers in samples of caraway seed, dill seed, native spearmint and scotch spearmint essential oils using an Astec CHIRALDEX G-TA capillary GC column.

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