20724AST

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

L × I.D. 25 cm × 4.6 mm, HPLC Column

• Synonym(s): TM=["CYCLOBOND"] I 2000 DMP Chiral HPLC Column
• UNSPSC Code: 41115700
• eCl@ss: 32110501
• NACRES: SB.52

Properties

• product name: Astec^® CYCLOBOND I 2000 DMP Chiral HPLC Column, 5 μm particle size, L × I.D. 25 cm × 4.6 mm
• material: stainless steel column
• Quality Level: 100
• product line: Astec^®
• packaging: pkg of 1 ea
• manufacturer/tradename: Astec^®
• parameter: 0-50 °C temperature; 172 bar pressure (2500 psi)
• technique(s): HPLC: suitable; LC/MS: suitable
• L × I.D.: 25 cm × 4.6 mm
• matrix: silica particle platform; fully porous particle
• matrix active group: cyclodextrin, beta- phase
• particle size: 5 μm
• pore size: 100 Å
• operating pH: 3.5-7
• separation technique: chiral

Description

General description

The reaction of the 3,5-dimethylphenyl isocyanate with the hydroxyl groups of β-cyclodextrin results in a pi-basic phase similar in character to the naphthylethyl carbamate phases. The selectivity is greater for the CYCLOBOND I 2000 DMP when the chiral center of the analyte is part of a ring structure or is on the α carbon. This phase has been very useful for derivatized amines, like amphetamine ACQ.

• Bonded phase: 3,5-Dimethylphenyl carbamate modified β-cyclodextrin

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Legal Information

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