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Astec® CYCLOBOND I 2000 RSP Chiral (5 μm) HPLC Columns

L × I.D. 2 cm × 4 mm, HPLC Guard Cartridge

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About This Item

UNSPSC Code:
41115700
eCl@ss:
32110501
NACRES:
SB.52

product name

Astec® CYCLOBOND I 2000 RSP Chiral HPLC Guard, Cartridge, 5 μm particle size, L × I.D. 2 cm × 4 mm

material

stainless steel column

Agency

suitable for USP L45

description

HPLC guard column

product line

Astec®

packaging

pkg of 1 ea

technique(s)

HPLC: suitable
LC/MS: suitable

L × I.D.

2 cm × 4 mm

matrix

silica particle platform
fully porous particle

matrix active group

cyclodextrin, beta- phase

particle size

5 μm

pore size

100 Å pore size

operating pH

3.5-7

separation technique

chiral

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Astec is a registered trademark of Merck KGaA, Darmstadt, Germany

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Hua He et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 814(2), 385-391 (2005-01-11)
The aim of this work was to present the advantages of two polymeric cartridges (Oasis HLB from Waters and Abselut Nexus from Varian) for the solid-phase extraction of methadone enantiomers and its major metabolite, 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP) and of some benzodiazepines
S Rudaz et al.
Chirality, 11(4), 319-325 (1999-05-29)
An extensive study of the behavior of three chiral stationary phases (CSP) is presented for the stereoselective determination of methadone. The following chromatographic columns were selected: a cellulose, Chiralcel OJ; a modified cyclodextrin. Cyclobond I 2000 RSP, and a protein
Jennifer L Donovan et al.
Free radical research, 40(10), 1029-1034 (2006-10-04)
Catechin is a flavonoid present in fruits, wine and cocoa products. Most foods contain the (+)-enantiomer of catechin but chocolate mainly contains ( - )-catechin, in addition to its major flavanol, ( - )-epicatechin. Previous studies have shown poor bioavailability
Chuong Pham-Huy et al.
Journal of biochemical and biophysical methods, 54(1-3), 287-299 (2003-01-25)
The enantioselective high-performance liquid chromatography (HPLC) of three racemic 3-hydroxybenzodiazepines, oxazepam (Oxa), lorazepam (Lor), and temazepam (Tem), is a difficult operation because of the spontaneous chiral inversion in polar solvent. To solve this problem, we have developed an HPLC method
Nilusha L T Padivitage et al.
Drug testing and analysis, 6(6), 542-551 (2013-10-12)
Recently a novel class of chiral stationary phases (CSPs) based on cyclofructan (CF) has been developed. Cyclofructans are cyclic oligosaccharides that possess a crown ether core and pendent fructofuranose moieties. Herein, we evaluate the applicability of these novel CSPs for

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Astec CYCLOBOND™

CYCLOBOND is the name given to Astec technology for bonding cyclodextrins to a high purity silica gel through a stable ether linkage.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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