L-Glutamine

L-Glutamine HPLC Standard (>90% Purity)

L-Glutamine is a conditionally essential amino acid that plays a role in nitrogen transport and immune cell support. Research explores how it may assist in maintaining intestinal integrity and muscle recovery, particularly under conditions of stress or intense physical activity.

L-Glutamine is a high-purity amino acid standard ideal for use in analytical and laboratory applications.

Chemical Name: L-Glutamine
CAS Number: 56-85-9
Molecular Formula: C₅H₁₀N₂O₃
Molecular Weight: 146.15 g/mol

With a purity exceeding 90%, L-Glutamine is suitable for use as a reference material or standard. It is available in convenient packaging sizes to accommodate various laboratory needs.

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Synonym(s):

(S)-2,5-Diamino-5-oxopentanoic acid

Formula:

C₅H₁₀N₂O₃

CAS Number:

56-85-9

Molecular Weight:

146.15 g/mol

Purity:

≥90%

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Consistent performance reliable for all HPLC systems.

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Using HPLC Standards with an Autosampler

Preparation:

Dilute your HPLC standards to the desired concentrations using a compatible solvent (generally bacteriostatic water for all water soluble compounds)

Loading the Autosampler:

Transfer the prepared standards into HPLC vials with tight-sealing caps to prevent contamination or evaporation. Label the vials clearly for easy identification. Place the vials in the autosampler tray according to the sample sequence you have programmed.

Programming the Autosampler:

Input the details of the standards, such as vial position, volume to inject, and run order, into the HPLC software. Ensure the autosampler is programmed to perform any necessary rinsing steps to avoid cross-contamination.

Running the Standards:

Begin the calibration run, allowing the autosampler to inject the standards into the HPLC system automatically. Monitor the chromatogram to confirm the peaks align with the known retention times and concentrations of the standards.

Data Analysis:

Use the chromatograms generated from the standards to create a calibration curve. Compare the peak areas or heights to determine the concentration of analytes in your unknown samples.