Description

Phospho-L-Arginine Sodium is a phosphorylated derivative of the essential amino acid L-arginine, presented as a stable sodium salt. This compound is a critical biochemical reagent and precursor, valued for its role in cellular energy transfer and signal transduction pathways. It is primarily utilized by research institutions, diagnostic manufacturers, and biopharmaceutical companies for applications in enzymology, metabolic studies, and the development of high-sensitivity assay kits.

Application

• Biochemical Research & Enzymology: Serves as a high-energy phosphate donor and specific substrate for kinases and other ATP-utilizing enzymes in mechanistic and kinetic studies.
• Diagnostic Reagent Manufacturing: Used as a key component in the formulation of clinical diagnostic kits, particularly for assays measuring creatine kinase (CK), arginine kinase, and related enzymes.
• Cell Metabolism & Signal Transduction Studies: Employed in cellular and molecular biology research to investigate phosphoarginine-mediated energy storage and signaling processes.
• Pharmaceutical Intermediates: Acts as a potential synthetic intermediate or a prodrug component for novel therapeutic agents targeting nitric oxide synthase pathways.
• Reference Standard: Provides a certified reference material for quality control and method validation in analytical laboratories.

Basic Information

Item	Details
Product Name	Phospho-L-Arginine Sodium
CAS No.	108321-86-4
Molecular Formula	C6H13N4O5P•Na
Molecular Weight	275.15 g/mol
Synonyms	L-Arginine phosphate sodium salt; Phosphoarginine sodium salt; Nω-Phospho-L-arginine sodium salt; P-Arg-Na; Arginine phosphate sodium; (S)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid 1-phosphate sodium salt
EINECS	Contact for details

Quality Control

Our Phospho-L-Arginine Sodium is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and specific tests for identity and impurities. A Certificate of Analysis (COA) detailing all specifications and results is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Optical Rotation	[α]D20: +20.0° to +26.0° (c=1 in H2O)
Water Content (KF)	≤ 5.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.