11019AST
Astec® CHIROBIOTIC® V Chiral HPLC Column
5 μm particle size, L × I.D. 15 cm × 2.1 mm
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About This Item
UNSPSC Code:
41115700
eCl@ss:
32110501
NACRES:
SB.52
material
stainless steel column
Quality Level
Agency
suitable for USP L88
description
HPLC Column
product line
Astec®
packaging
pkg of 1 ea
manufacturer/tradename
Astec®
parameter
0-45 °C temperature
241 bar pressure (3500 psi)
technique(s)
HPLC: suitable
LC/MS: suitable
L × I.D.
15 cm × 2.1 mm
matrix
High-purity silica gel particle platform
fully porous particle
matrix active group
vancomycin phase
particle size
5 μm
pore size
100 Å
operating pH range
3.5-7.0
separation technique
chiral
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General description
Astec CHIROBIOTIC® CSPs (chiral stationary phases) interact with ionisable, polar and neutral analytes through multiple molecular interactions. This property makes it widely versatile, thereby making it applicable in a variety of mobile phases. Another feature is the presence of ionic interactions, allowing them to be used reversed-phase and polar ionic modes for sensitive LC-MS operation. CHIROBIOTIC® V is based on bonding Vancomycin which contains 18 chiral centers surrounding three cavities or pockets. These cavities are surrounded with five aromatic rings. Hydrogen acceptor and donor sites are present very near to the ring structures. The CHIROBIOTIC® V is similar to glycoprotein phase′s selectivity wise, with its exception of exhibiting high sample capacity and being stable from 0-100% organic modifier.
Neutral molecules, amides, acids, esters and amines show considerable enantioselectivity on these vancomycin-based CSPs. A wide variety of secondary and tertiary amines have been separated on the CHIROBIOTIC® V in the polar ionic mode. The CHIROBIOTIC® V has demonstrated many of the separation characteristics of protein-based stationary phases, but with exceptional stability and much higher sample capacity. Some chiral analytes have been resolved that have not been reported separated on any other chiral stationary phase. CHIROBIOTIC® V and V2 differ in their bonding chemistry the pore size of the support particle, giving them different selectivity and preparative capacity.
- Bonded phase: Vancomycin
- Operating pH range: 3.5 - 7.0
- Particle diameter: 5, 10 or 16 μm
- Pore size: 100 Å (CHIROBIOTIC® V) or 200 Å (CHIROBIOTIC® V2)
Application
Chirobiotic V HPLC column may be used for separating the enantiomers of citalopram and its two N-demethylated metabolites, and of the internal standard, alprenolol, in human plasma.
Legal Information
Astec is a registered trademark of Merck KGaA, Darmstadt, Germany
CHIROBIOTIC is a registered trademark of Sigma-Aldrich Co. LLC
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M Kosel et al.
Journal of chromatography. B, Biomedical sciences and applications, 719(1-2), 234-238 (1998-12-30)
A procedure using a chirobiotic V column is presented which allows separation of the enantiomers of citalopram and its two N-demethylated metabolites, and of the internal standard, alprenolol, in human plasma. Citalopram, demethylcitalopram and didemethylcitalopram, as well as the internal
J P Bagnall et al.
Journal of chromatography. A, 1249, 115-129 (2012-07-04)
This paper presents and compares for the first time two chiral LC-QTOF-MS methodologies (utilising CBH and Chirobiotic V columns with cellobiohydrolase and vancomycin as chiral selectors) for the quantification of amphetamine, methamphetamine, MDA (methylenedioxyamphetamine), MDMA (methylenedioxymethamphetamine), propranolol, atenolol, metoprolol, fluoxetine
Analysis of the enantiomers of citalopram and its demethylated metabolites using chiral liquid chromatography
Kosel, M., et al.
Journal of Chromatography. B, Biomedical Applications, 719 (1-2), 234-238 (1998)
HPLC separation technique for analysis of bufuralol enantiomers in plasma and pharmaceutical formulations using a vancomycin chiral stationary phase and UV detection
Hefnawy, Mohamed M., et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 856 (1-2), 328-336 (2007)
Ana R Ribeiro et al.
Chemosphere, 95, 589-596 (2013-11-05)
Microbial degradation is the most important process to remove organic pollutants in Waste Water Treatment Plants. Regarding chiral compounds this process is normally enantioselective and needs the suitable analytical methodology to follow the removal of both enantiomers in an accurate
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