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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

Code UNSPSC :
41115710
Nomenclature NACRES :
SB.54

Matériaux

fused silica

Description

GC capillary column

Conditionnement

pkg of 1 ea

Paramètres

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

Valeur bêta

500

df

0.12 μm

Technique(s)

gas chromatography (GC): suitable

L × D.I.

20 m × 0.25 mm

Groupe de la matrice active

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

Application(s)

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)

Type de colonne

capillary chiral

Technique de séparation

chiral

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Description générale

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.

Résistance chim./phys.

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

Autres remarques

We offer a variety of chromatography accessories including analytical syringes

Informations légales

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

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Certificats d'analyse (COA)

Lot/Batch Number
284348-04
284348-03
284348-02
284348-01
283568-04

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Consulter la Bibliothèque de documents

Organocatalysis using protonated 1,2-diamino-1,2-diphenylethane for asymmetric Diels?Alder reaction
Hoon Kim, Kyoung, et al.
Tetrahedron Letters, 46 (36), 5991-5994 (2005)
Isolation of racemic 2,4-pentanediol and 2,5-hexanediol from commercial mixtures of racemic and meso isomers by way of cyclic sulfites.
Caron, Gaetan; Kazlauskas, R.J.
Tetrahedron Asymmetry, 5 (4), 657-664 (1994)
Asymmetric conjugate addition to alkylidene malonates
Alexakis, Alexandre; Benhaim, Cyril;
Tetrahedron Asymmetry, 12 (8), 1151-1157 (2001)
The synthesis of enantioenriched a-hydroxy esters
Gu, Xin, et al.
Tetrahedron Asymmetry, 25 (24), 1573-1580 (2014)
The asymmetric hydrogenation of 2-phenethylacrylic acid as the key step for the enantioselective synthesis of Citralis Nitrile?
Scrivanti, Alberto, et al.
Tetrahedron Letters, 47 (52), 9261-9265 (2006)
Afficher tous les articles scientifiques apparentés

Articles

Proline Derivatization and Enantioresolution by Chiral GC

Chromatographic enantiomeric separation of amino acids, like proline, is described for chiral GC analysis after derivatization.

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