Amino Acid Analysis Reagents and Accessories

Colorimetric and fluorescent detection reagents to accomplish pre-column and post-column derivatization of peptides and amino acids for analysis by HPLC detectors; includes vacuum hydrolysis tubes and quantitation standards.

As a product line, the Pierce name has always represented high quality and a wide selection of derivatization reagents for chromatography detection. Those same qualities continue under the Thermo Scientific brand, where an expanded portfolio of products provide new opportunities for innovation.

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Pierce* Amino Acid Standard H

Thermo Scientific* Pierce Amino Acid Standard H is a quantitative mixture of 18 amino acids, supplied at 2.5µmol/mL in 0.1N HCl, for use as a high-purity calibration standard for HPLC analysis of protein hydrolysates.

Pierce* DTNB (Ellman's Reagent)

Thermo Scientific* Pierce DTNB (Ellman's Reagent) reacts with sulfhydryl groups to yield a colored product, which provides a reliable method for measure free reduced cysteines and other free sulfhydryls in solution.

Pierce* FDAA (Marfey's Reagent)

Thermo Scientific Pierce FDAA (Marfey's Reagents) reacts with primary amines to enable the separation and quantitation of optical isomers of amino acids by reverse-phase chromatography.

Pierce* Fluoraldehyde (OPA) Crystals

Thermo Scientific* Pierce Fluoraldehyde (OPA) is o-phthalaldehyde, a highly sensitive fluorescent pre- or post-column derivatization reagent for peptide or amino acid detection and quantitation in HPLC.

Pierce* Fluoraldehyde (OPA) Reagent

Thermo Scientific* Pierce Fluoraldehyde (OPA) Reagent is a ready-to-use solution of o-phthalaldehyde, a fluorescent pre- or post-column derivatization reagent for peptide or amino acid detection and quantitation in HPLC.

Pierce* HPG (p-Hydroxyphenylglyoxal)

Thermo Scientific* Pierce HPG (p-hydroxyphenylglyoxal) reacts to specifically modify arginine residues under mild conditions to yield spectrophotometrically measurable signal for amino acid detection.

Pierce* Hydrochloric Acid Solution

Thermo Scientific* Pierce Hydrochloric Acid Solution is a constant-boiling 6N HCl solution, supplied in 1mL ampules, that is specifically formulated as a sequencing-grade reagent for total protein hydrolysis for amino acid analysis.

Pierce* Ninhydrin

Thermo Scientific* Pierce Ninhydrin is a classic, amine-reactive, colorimetric detection reagent for protein detection and amino acid analysis.

Pierce* p-Bromophenacylate Reagent

Thermo Scientific* Pierce p-Bromophenacylate Reagent reacts with carboxylic acids to provide quantitative detection of peptides and amino acids with few or no side reactions.

Pierce* Peptide Retention Standard

Thermo Scientific* Pierce Peptide Retention Standard is a mixture of five c-terminal amide decapeptides that provide reference elution profiles in reverse-phase HPLC.

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