L-Arginine monohydrochloride
L-Arginine monohydrochloride (CAS: 1119-34-2) is a salt form of the semi-essential amino acid L-Arginine, with the molecular formula C6H14N4O2 · HCl and a molecular weight of 210.66 g/mol. It is a white crystalline powder. This compound is valuable in biochemical research and cell culture applications due to its role in physiological processes. TSS supplies this reagent in various quantities to support scientific endeavours.
- IUPAC
- (S)-(+)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid monohydrochloride

Cell Culture Media Supplement
L-Arginine monohydrochloride is frequently incorporated into cell culture media. It serves as a vital nutrient for cellular growth and proliferation, supporting the synthesis of proteins and other essential biomolecules in various cell lines.
Biochemical Research Reagent
This compound is utilized as a reagent in diverse biochemical and biological research studies. Its well-defined properties make it suitable for investigating amino acid metabolism, protein structure, and enzyme activity.
Precursor for Peptide Synthesis
L-Arginine monohydrochloride can serve as a building block in the synthesis of peptides and peptidomimetics. Its inclusion is critical for creating specific peptide sequences required for therapeutic or research purposes.
| Molecular weight | 210.66 |
|---|---|
| Empirical formula | C6H14N4O2 · HCl |
| Assay | ≥98.5% |
| Solubility | H2O: soluble100 mg/mL |
| Impurities tested | endotoxin, tested |
| Suitability | suitable for cell culture |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Arginine monohydrochloride used for?
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L-Arginine monohydrochloride is used as a supplement in cell culture media, as a reagent in biochemical research, and as a precursor in peptide synthesis.
What is the CAS number and formula for L-Arginine monohydrochloride?
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The CAS number is 1119-34-2 and the empirical formula is C6H14N4O2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Arginine monohydrochloride with an assay of ≥98.5%. It is tested for endotoxins and is suitable for cell culture. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for L-Arginine monohydrochloride?
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L-Arginine monohydrochloride is classified under WGK Germany 2. Please consult the Safety Data Sheet (SDS) for comprehensive handling, storage, and disposal information. Avoid contact with skin and eyes, and ensure adequate ventilation.
Is L-Arginine monohydrochloride a controlled substance?
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The provided data does not indicate that L-Arginine monohydrochloride is a controlled substance.
How is L-Arginine monohydrochloride shipped or exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including L-Arginine monohydrochloride, adhering to all relevant international shipping regulations.
How can I request a quote or sample for L-Arginine monohydrochloride?
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To request a quote or sample, please contact our sales department through the TSS website or by phone, providing the product name and CAS number.
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