DL-Arginine
DL-Arginine (CAS 7200-25-1) is a non-essential amino acid derivative with the linear formula HN=C(NH2)NH(CH2)3CH(NH2)COOH and a molecular weight of 174.20 g/mol. It plays a role in various biochemical pathways. This compound is primarily used in chemical synthesis, peptide chemistry, and as a reagent in chemical biology research. Available at ≥97.0% purity.
- IUPAC
- (±)-2-Amino-5-guanidinopentanoic acid

Chemical Synthesis
DL-Arginine serves as a valuable building block in the synthesis of more complex organic molecules. Its guanidine group offers unique reactivity for various synthetic strategies.
Peptide Chemistry
As an amino acid derivative, DL-Arginine is utilised in the construction of peptides and peptidomimetics. It is important for understanding peptide structure-function relationships.
Chemical Biology
DL-Arginine is employed as a reagent in studies related to biological systems and processes. Its involvement in metabolic pathways makes it a key compound for biochemical investigations.
| Molecular weight | 174.20 |
|---|---|
| Linear formula | HN=C(NH2)NH(CH2)3CH(NH2)COOH |
| Assay | ≥97.0% (NT) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 DL-Arginine used for?
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DL-Arginine is used in chemical synthesis, peptide chemistry, and chemical biology research.
What is the CAS number and formula for DL-Arginine?
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The CAS number is 7200-25-1 and the linear formula is HN=C(NH2)NH(CH2)3CH(NH2)COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Arginine with an assay of ≥97.0% (NT). We do not represent this product as USP, BP, or EP grade.
How should DL-Arginine be handled?
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DL-Arginine is classified as a skin irritant (H319). Handle with care, using a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid dust formation.
Is DL-Arginine a controlled substance?
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The provided data does not indicate that DL-Arginine is a controlled substance.
How is DL-Arginine shipped?
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DL-Arginine is packed and shipped according to standard chemical handling procedures, suitable for global export.
How can I request a sample or quote for DL-Arginine?
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Please contact our sales team via the website to request a sample or a formal quotation for DL-Arginine.
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