Description

Pentanoic Acid, 5-[(1,1-Dimethylethyl)Amino]-4-[[(1S)-2-Methoxy-1-Methyl-2-Oxoethyl]Amino]-3-Methyl-5-Oxo-, Methyl Ester, (4R)- (9Ci) is a high-purity, chiral organic compound with a complex molecular architecture designed for advanced chemical synthesis. This specialty intermediate is valued for its precise stereochemistry and functional groups, which are critical for constructing sophisticated molecules in regulated industries. It is primarily sought after by research institutions and pharmaceutical development teams for use in the synthesis of novel active pharmaceutical ingredients (APIs) and other fine chemicals where structural integrity is paramount.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and development of new therapeutic agents and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Utilized in advanced organic synthesis to introduce specific stereocenters, crucial for creating enantiomerically pure compounds.
• Chemical Research: Serves as a valuable reference standard and starting material in academic and industrial R&D laboratories for methodological studies.
• Fine Chemical Production: Employed in the multi-step synthesis of complex specialty chemicals, including agrochemicals and advanced materials.
• Process Development: Used in scaling up and optimizing synthetic routes for the commercial production of high-value chemical entities.

Basic Information

Product Name	Pentanoic Acid, 5-[(1,1-Dimethylethyl)Amino]-4-[[(1S)-2-Methoxy-1-Methyl-2-Oxoethyl]Amino]-3-Methyl-5-Oxo-, Methyl Ester, (4R)- (9Ci)
CAS No.	374936-67-1
Molecular Formula	C15H28N2O5
Molecular Weight	316.40 g/mol
Synonyms	(4R)-Methyl 5-[(tert-butyl)amino]-4-[[(2S)-2-methoxy-1-methyl-2-oxoethyl]amino]-3-methyl-5-oxopentanoate; Methyl (4R)-5-[(1,1-dimethylethyl)amino]-4-[[(1S)-2-methoxy-1-methyl-2-oxoethyl]amino]-3-methyl-5-oxopentanoate; (4R)-Methyl 5-(tert-butylamino)-4-((S)-2-methoxy-1-methyl-2-oxoethylamino)-3-methyl-5-oxopentanoate; tert-Butyl (4R)-4-((S)-2-methoxy-1-methyl-2-oxoethylamino)-3-methyl-5-oxo-5-(methyloxy)pentylcarbamate (tautomeric form); A chiral β-amino acid derivative ester. Contact for additional trade names or identifiers.
EINECS	Contact for details

Quality Control

Our production of this advanced chemical intermediate adheres to strict quality management systems. Each batch is characterized using advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support compliance with ICH guidelines for impurities and can tailor quality protocols to meet specific customer or regulatory requirements for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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