Description

4-Pyridinepropanoic Acid, α-[[(9H-Fluoren-9-Ylmethoxy)Carbonyl]Amino]-, 1-Oxide, (S)- (9Ci) is a specialized, high-purity chemical building block of significant importance in advanced organic synthesis. Its core value lies in its role as a protected amino acid derivative, specifically designed for use in solid-phase peptide synthesis (SPPS) and other complex molecular construction processes. This compound is essential for research and development laboratories, pharmaceutical intermediates manufacturers, and fine chemical producers focused on creating novel peptides, peptidomimetics, and bioactive molecules.

Application

• Solid-Phase Peptide Synthesis (SPPS): A key protected amino acid building block for the controlled assembly of complex peptide chains.
• Pharmaceutical Intermediate: Used in the research and development of novel therapeutic peptides and peptidomimetic drugs.
• Bioconjugation Chemistry: Serves as a reagent for attaching peptides or other functional groups to larger biomolecules or surfaces.
• Combinatorial Chemistry Libraries: Employed in the generation of diverse compound libraries for high-throughput screening in drug discovery.
• Academic & Industrial R&D: A critical reagent for synthetic chemists in universities and corporate R&D departments exploring new bioactive compounds.
• Fine Chemical Production: Used in the multi-step synthesis of specialized, high-value organic molecules.

Basic Information

Item	Details
Product Name	4-Pyridinepropanoic Acid, α-[[(9H-Fluoren-9-Ylmethoxy)Carbonyl]Amino]-, 1-Oxide, (S)- (9Ci)
CAS No.	169555-96-8
Molecular Formula	C23H20N2O5
Molecular Weight	404.42 g/mol
Synonyms	Fmoc-(S)-3-(4-Pyridyl-N-oxide)alanine; Fmoc-3-(4-Pyridyl-N-oxide)-L-alanine; (S)-2-(((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-oxidopyridin-1-ium-1-yl)propanoic acid; N-α-Fmoc-N-oxide-3-(4-pyridyl)-L-alanine; Fmoc-L-3-(4-Pyridyl-N-oxide)alanine; Protected L-amino acid derivative; Fmoc-(S)-Amino acid pyridine N-oxide; Peptide synthesis building block
EINECS	Contact for details

Quality Control

Our production of this advanced synthetic intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity, essential for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support compliance with cGMP standards for applications requiring the highest level of quality assurance.

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); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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