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Home Biological Reagents RH5131 L-Cysteine Hydrochloride | CAS 7048-04-6 | High Purity Grade >99%
RH5131 L-Cysteine Hydrochloride | CAS 7048-04-6 | High Purity Grade >99%
RH5131 L-Cysteine Hydrochloride | CAS 7048-04-6 | High Purity Grade >99%
RH5131 L-Cysteine Hydrochloride, CAS 7048-04-6, is a High Purity Grade cysteine salt with purity >99%, suitable for biochemical, amino acid, protein and life science research.
  • RH5131

  • 100 g

  • High Purity Grade, >99%

  • L-Cysteine Hydrochloride

  • 7048-04-6

  • L-Cysteine Hydrochloride

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Product Overview

RH5131 L-Cysteine Hydrochloride, CAS 7048-04-6, is a high-purity hydrochloride salt of L-cysteine supplied as High Purity Grade with purity >99%.

L-Cysteine is a sulfur-containing amino acid characterized by a thiol (-SH) functional group. This functional group is important in protein structure, redox chemistry and numerous biochemical reactions, making L-Cysteine Hydrochloride useful for biochemical, amino acid, protein and life science research.

Key Features

  • High Purity Grade

  • Purity >99%

  • CAS 7048-04-6

  • Hydrochloride salt of L-cysteine

  • Sulfur-containing amino acid derivative

  • Contains a thiol (-SH) group

  • Suitable for amino acid research

  • Suitable for biochemical research

  • Suitable for protein and peptide research

  • Suitable for redox-related studies

  • 100 g standard packaging

Technical Specifications

Parameter

Specification

Product Code

RH5131

Product Name

L-Cysteine Hydrochloride

Chemical Name

L-Cysteine Hydrochloride

CAS No.

7048-04-6

Grade

High Purity Grade, >99%

Package

100 g

Applications

  • Amino Acid Research

  • Biochemical Research

  • Protein and Peptide Research

  • Thiol Chemistry Research

  • Redox Biology Research

  • Amino Acid Metabolism Studies

  • Enzyme Research

  • Cell Biology Research

  • Biotechnology Research

  • Life Science Research

L-Cysteine Hydrochloride for Biochemical Research

L-Cysteine Hydrochloride provides L-cysteine in a hydrochloride salt form for suitable biochemical applications.

The cysteine structure contains a reactive thiol group that can participate in oxidation-reduction reactions and other biochemical transformations.

RH5131 provides High Purity Grade L-Cysteine Hydrochloride with purity >99% for laboratory research.

L-Cysteine Hydrochloride for Amino Acid Research

L-Cysteine is a naturally occurring sulfur-containing amino acid involved in protein biosynthesis and amino acid metabolism.

L-Cysteine Hydrochloride can be used in research involving sulfur-containing amino acids, amino acid metabolism and biochemical pathways.

Its hydrochloride salt form provides an alternative to free L-Cysteine for suitable experimental formulations.

L-Cysteine Hydrochloride for Protein Research

Cysteine residues play important roles in protein structure and function.

Two cysteine thiol groups can undergo oxidation to form a disulfide bond, which can contribute to the stabilization of protein structures.

L-Cysteine Hydrochloride is therefore relevant to studies involving protein folding, disulfide bond formation and thiol-containing proteins.

L-Cysteine Hydrochloride for Thiol Chemistry

The thiol (-SH) group is one of the most important structural features of cysteine.

Thiol groups can participate in redox reactions, disulfide formation and interactions with various chemical and biological molecules.

This makes L-Cysteine Hydrochloride useful for research involving thiol chemistry and redox-sensitive biochemical systems.

L-Cysteine Hydrochloride for Redox Research

Cysteine-containing systems are widely studied in redox biology because thiol groups can undergo reversible oxidation and reduction.

L-Cysteine Hydrochloride can therefore be evaluated in suitable studies involving oxidative processes, reducing environments and thiol-disulfide chemistry.

Experimental conditions should be optimized according to the specific research system.

L-Cysteine and Glutathione Research

L-Cysteine is one of the three amino acid components of glutathione.

Glutathione consists of:

  • Glutamate

  • Cysteine

  • Glycine

The cysteine thiol group is particularly important to the redox properties of glutathione.

L-Cysteine Hydrochloride is therefore relevant to biochemical research involving glutathione biosynthesis and cellular redox pathways.

L-Cysteine Hydrochloride vs L-Cysteine

L-Cysteine Hydrochloride and L-Cysteine provide cysteine in different chemical forms:

  • L-Cysteine: free amino acid

  • L-Cysteine Hydrochloride: hydrochloride salt of L-cysteine

The salt form may have different handling and solution characteristics. The appropriate form should be selected according to the experimental requirements.

L-Cysteine Hydrochloride vs N-Acetyl-L-Cysteine

L-Cysteine Hydrochloride and N-Acetyl-L-Cysteine (NAC) are related sulfur-containing compounds but are chemically different.

  • L-Cysteine Hydrochloride: hydrochloride salt of L-cysteine

  • N-Acetyl-L-Cysteine: acetylated derivative of L-cysteine

Both contain thiol functionality but can exhibit different physicochemical and biochemical behavior.

L-Cysteine vs L-Cystine

L-Cysteine and L-Cystine represent different redox forms.

  • L-Cysteine: contains a free thiol group

  • L-Cystine: formed when two cysteine molecules are connected through a disulfide bond

This relationship is important in protein chemistry and redox biology research.

Product Advantages

RH5131 L-Cysteine Hydrochloride is supplied as High Purity Grade with purity >99%, providing a high-purity cysteine reagent for biochemical and life science research.

It is suitable for amino acid studies, protein research, thiol chemistry, redox biology, enzyme research and related laboratory applications.

The standard package is 100 g.

Storage and Handling

  • Keep the container tightly sealed.

  • Protect from moisture and contamination.

  • Minimize unnecessary exposure to air during handling.

  • Prepare solutions using appropriate laboratory procedures.

  • Store according to the recommended product conditions.

  • Refer to the applicable SDS for detailed safety, storage and handling information.

Packaging

Standard Packaging: 100 g

Other quantities can be discussed upon request.

Frequently Asked Questions (FAQ)

What is RH5131 L-Cysteine Hydrochloride?

RH5131 L-Cysteine Hydrochloride, CAS 7048-04-6, is a hydrochloride salt of L-cysteine supplied as High Purity Grade with purity >99%.

What is L-Cysteine Hydrochloride used for?

It is suitable for amino acid research, biochemical studies, protein research, thiol chemistry, redox biology and enzyme research.

Does L-Cysteine Hydrochloride contain a thiol group?

Yes. The cysteine component contains a thiol (-SH) functional group, which is important to its biochemical properties.

Can L-Cysteine Hydrochloride be used for protein research?

Yes. Cysteine is important in protein research because cysteine residues can participate in disulfide bond formation and thiol-related reactions.

What is the difference between L-Cysteine Hydrochloride and L-Cysteine?

L-Cysteine is the free amino acid, while L-Cysteine Hydrochloride is its hydrochloride salt.

What is the difference between L-Cysteine Hydrochloride and NAC?

N-Acetyl-L-Cysteine (NAC) is an acetylated derivative of L-cysteine, whereas L-Cysteine Hydrochloride is the hydrochloride salt of L-cysteine.

What is the difference between L-Cysteine and L-Cystine?

L-Cysteine contains a free thiol group, while L-Cystine consists of two cysteine units connected by a disulfide bond.

What is the CAS number of L-Cysteine Hydrochloride?

The CAS number of RH5131 L-Cysteine Hydrochloride is 7048-04-6.

What is the purity of RH5131?

RH5131 is supplied as High Purity Grade with purity >99%.

What packaging is available?

The standard package for RH5131 L-Cysteine Hydrochloride is 100 g.

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