D-Arginine

CAS 157-06-2H2NC(=NH)NH(CH2)3CH(NH2)CO2HChemical Synthesis

D-Arginine (CAS: 157-06-2) is an essential amino acid derivative with the chemical formula H₂NC(=NH)NH(CH₂)₃CH(NH₂)CO₂H and a molecular weight of 174.20 g/mol. This compound plays crucial roles in various biochemical pathways, including nitric oxide synthesis. It is frequently utilised in chemical synthesis, research, and as a building block in peptide chemistry.

IUPAC: (R)-2-Amino-5-guanidinopentanoic acid

Email us

D-Arginine (H2NC(=NH)NH(CH2)3CH(NH2)CO2H) — chemical structure, CAS 157-06-2; Chemistry, fine chemical supplied by Tech Serve Solutions

AN-AZAmino Acid DerivativesArginineArginine MetabolismBioactive Small MoleculesCell BiologyChemical BiologyChemical SynthesisNitric Oxide MetabolismNitric Oxide and Cell Stress

01 /Applications

Chemical Synthesis

D-Arginine serves as a valuable chiral building block in the synthesis of complex organic molecules and pharmaceuticals. Its guanidino group offers unique reactivity for various chemical transformations.

Biochemical Research

This amino acid derivative is employed in studies related to amino acid metabolism, nitric oxide pathways, and cell signaling. It is useful for investigating enzyme activity and biological processes in vitro.

Peptide Chemistry

As a non-proteinogenic amino acid, D-Arginine is incorporated into synthetic peptides to modify their properties, such as stability and biological activity. It is used in the development of peptide-based therapeutics and research tools.

02 /Properties

Molecular weight	174.20
Linear formula	H2NC(=NH)NH(CH2)3CH(NH2)CO2H
Assay	≥98% (TLC)
Melting point	226 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

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)	1
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.

04 /Identifiers & registry

CAS number

157-06-2

MDL number

MFCD00063116

PubChem substance

24890684

Beilstein registry

1725412

05 /Additional specifications

Gene Information	rat ... Ppm1a(24666)

06 /Quality & supply

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.

07 /Frequently asked questions

What is D-Arginine used for?

D-Arginine is used in chemical synthesis, biochemical research, and peptide chemistry. It acts as a building block for organic molecules and plays a role in studying biological pathways like nitric oxide metabolism.

What is the CAS number and chemical formula for D-Arginine?

The CAS number for D-Arginine is 157-06-2 and its chemical formula is H₂NC(=NH)NH(CH₂)₃CH(NH₂)CO₂H.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies D-Arginine with an assay of ≥98% (TLC). This product is supplied for research and technical use only and is not represented as USP, BP, EP, or other pharmacopoeia grades.

How should D-Arginine be handled safely?

D-Arginine is classified as an irritant. Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. In case of eye contact, rinse cautiously with water for several minutes.