Description

Ornithine, 2-Ethynyl-, Methyl Ester (9Ci) is a specialized, non-proteinogenic amino acid derivative featuring an ethynyl modification. This compound is of significant interest in advanced organic synthesis and pharmaceutical research due to its unique molecular scaffold, which serves as a versatile building block for creating complex molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel bioactive compounds, peptide mimetics, and chemical probes. The product is supplied under strict quality control to ensure consistency for sensitive applications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Peptidomimetic Research: Used to construct modified peptide backbones for studying protein-protein interactions and developing enzyme inhibitors.
• Chemical Biology Probe Development: Serves as a building block for creating labeled or tagged molecules to investigate biological pathways.
• Academic & Industrial R&D: Employed in method development and exploratory chemistry within organic synthesis laboratories.
• Bioconjugation Chemistry: The ethynyl group enables click chemistry reactions for linking molecules in bioconjugation applications.

Basic Information

Product Name	Ornithine, 2-Ethynyl-, Methyl Ester (9Ci)
CAS No.	752151-13-6
Molecular Formula	C8H14N2O2
Molecular Weight	170.21 g/mol
Synonyms	2-Ethynylornithine methyl ester; Methyl 2-ethynylornithinate; L-Ornithine, 2-ethynyl-, methyl ester; (S)-Methyl 2-amino-5-(diaminomethylideneamino)-2-ethynylpentanoate; 2-Ethynyl-DL-ornithine methyl ester; Building block 752151-13-6; Amino acid derivative CAS 752151-13-6
EINECS	Contact for details

Quality Control

Our Ornithine, 2-Ethynyl-, Methyl Ester (9Ci) is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring full traceability and compliance with your research or development specifications.

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 under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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