• Application Note

Cephalexin

Cephalexin
  • Waters Corporation
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Cefalexin antibiotic drug molecule

This is an Application Brief and does not contain a detailed Experimental section.

Abstract

This application brief demonstrates analysis of cephalexin.

Introduction

The compounds analyzed in this sudy are -

Compounds

USP Tailing Factors

1-hydroxybenzotriazole (IS)

1.4

Cephalexin

1.2

Experimental

HPLC Method

Column:

Symmetry C18, 3.0 x 150 mm, 5 μm

Part number:

WAT054200

Mobile phase:

1.25% glacial acetic acid in water/methanol 88:12

Flow rate:

0.6 mL/min

Injection volume:

400 μL of cephalexin (1 mg/mL) and 200 μL of 1-hydroxybenzotriazole (Internal standard, 1 mg/mL)

Detection:

UV @ 254 nm

Results and Discussion

Featured Products

WA31763.51, June 2003

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