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73032AST

Astec® CHIRALDEX™ G-TA Capillary GC Column

L × I.D. 20 m × 0.25 mm, df 0.12 μm

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NACRES:
SB.54
UNSPSC Code:
41115710
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material

fused silica

description

GC capillary column

analyte chemical class(es)

alcohols, amino acids, amphetamines, ketones, terpenes

packaging

pkg of 1 ea

parameter

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

Beta value

500

df

0.12 μm

technique(s)

gas chromatography (GC): suitable

L × I.D.

20 m × 0.25 mm

matrix active group

Chiral, 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)

column type

capillary chiral

separation technique

chiral

General description

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.

Features and Benefits

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

Other Notes

We offer a variety of chromatography accessories including analytical syringes

Legal Information

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

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Certificados de análisis (COA)

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

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Kinetic resolutions concentrate the minor enantiomer and aid measurement of high enantiomeric purity.
Caron, Gaetan; Tseng, George W.M.; Kazlauskas, R.J.
Tetrahedron Asymmetry, 5 (1), 83-92 (1994)
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)
Hugo L van Beek et al.
FEBS open bio, 4, 168-174 (2014-03-22)
Enzyme stability is an important parameter in biocatalytic applications, and there is a strong need for efficient methods to generate robust enzymes. We investigated whether stabilizing disulfide bonds can be computationally designed based on a model structure. In our approach
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