Description

5-Oxo-Dl-Proline, Compound With L-Arginine (1:1) is a high-purity, non-proteinogenic amino acid derivative formed as a 1:1 salt between 5-oxoproline and L-arginine. This compound is valued for its role as a key intermediate in biochemical research and pharmaceutical synthesis, offering a stable and bioavailable form of its constituent molecules. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, nutraceutical, and life science sectors for developing metabolic studies, peptide synthesis, and specialized nutritional formulations.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel peptide-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a standard or reagent in metabolic pathway studies, particularly those involving the γ-glutamyl cycle and arginine metabolism.
• Nutraceutical Formulations: Incorporated into advanced dietary supplements targeting cellular energy production, detoxification support, and nitric oxide pathway modulation.
• Cell Culture Media: Acts as a specialized component in defined media for cultivating specific cell lines in bioprocessing and biotechnology.
• Cosmeceutical Actives: Explored in high-end skincare for its potential role in supporting collagen synthesis and skin barrier function.
• Veterinary Pharmaceuticals: Applied in the development of metabolic supplements and therapeutic agents for animal health.

Basic Information

Product Name	5-Oxo-Dl-Proline, Compound With L-Arginine (1:1)
CAS No.	64855-91-0
Molecular Formula	C11H21N5O5
Molecular Weight	303.32 g/mol
Synonyms	L-Arginine 5-Oxo-DL-prolinate (1:1); 5-Oxoproline Arginine Salt; Pyrrolidonecarboxylic Acid Compound with L-Arginine (1:1); 2-Pyrrolidone-5-carboxylic Acid Arginine Salt; 5-Oxo-DL-proline L-arginine salt; Arginine Pyroglutamate; (S)-2-Amino-5-guanidinopentanoic acid compound with 5-oxo-DL-proline (1:1); Glutamic Acid 5-Lactam Arginine Salt
EINECS	Contact for details

Quality Control

Our 5-Oxo-Dl-Proline, Compound With L-Arginine (1:1) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and residual solvent screening, to ensure it meets the high standards required for research and production. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, and we can support compliance with REACH, FDA DMF, and other regulatory frameworks as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. For long-term storage, consider desiccants or inert atmosphere packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines
Microbiological Analysis	Total Plate Count < 1000 cfu/g; Absence of specified pathogens

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