Description

L-Ornithine, 5-Thioxo- (9Ci) is a specialized, non-proteinogenic amino acid derivative of significant interest in advanced biochemical research and pharmaceutical development. This compound serves as a critical synthetic intermediate and a key building block for the preparation of more complex molecules, including enzyme inhibitors and potential therapeutic agents. It is primarily utilized by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on metabolic pathway studies and novel drug discovery.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of enzyme inhibitors and other bioactive molecules targeting specific metabolic pathways.
• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies, particularly those involving ornithine metabolism and related biochemical processes.
• Peptide Synthesis: Serves as a modified amino acid building block for the creation of novel peptides with enhanced stability or specific biological activity.
• Metabolic Pathway Analysis: Employed in research to investigate the role of ornithine derivatives in cellular metabolism and disease states.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.
• Fine Chemical Synthesis: A valuable intermediate for the production of more complex, sulfur-containing organic compounds in custom synthesis projects.

Basic Information

Product Name	L-Ornithine, 5-Thioxo- (9Ci)
CAS No.	167171-58-6
Molecular Formula	C₅H₁₀N₂O₂S
Molecular Weight	162.21 g/mol
Synonyms	5-Thioxo-L-ornithine; (S)-2,5-Diamino-5-oxopentanoic acid; L-2,5-Diamino-5-thioxopentanoic acid; 5-Mercapto-L-ornithine; NSC 339313; Ornithine, 5-thioxo-, L-; 5-Thioxoornithine
EINECS	Contact for details

Quality Control

Our L-Ornithine, 5-Thioxo- (9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	[α]²⁰D: Specific range provided on COA
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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