Description

13-Oxa-6,7-Dithia-2,11-Diazapentadecanoic Acid, 3,10-Dicarboxy-14,14-Dimethyl-12-Oxo-, 1-(1,1-Dimethylethyl) Ester, [R-(R*,R*)]- (9Ci) is a sophisticated chiral organic compound featuring a unique heterocyclic structure containing oxygen, sulfur, and nitrogen atoms. This complex molecule serves as a critical intermediate in advanced pharmaceutical synthesis, particularly for the development of novel therapeutic agents. It is primarily needed by research institutions and pharmaceutical manufacturers engaged in the discovery and production of specialty active pharmaceutical ingredients (APIs) and complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of complex drug candidates, particularly those targeting specific enzymatic pathways.
• Peptidomimetic Research: Used in the design and synthesis of peptidomimetics due to its heteroatom-rich backbone that can mimic peptide structures.
• Ligand Synthesis: Serves as a precursor for creating specialized chelating agents or ligands for catalytic and medicinal chemistry applications.
• Chemical Biology Probes: Employed in the development of molecular probes to study biological processes and protein interactions.
• Asymmetric Synthesis: Utilized as a chiral auxiliary or scaffold in stereoselective synthesis to control the three-dimensional architecture of target molecules.
• Advanced Material Research: Investigated as a monomer or precursor for novel polymers with specific electronic or structural properties.

Basic Information

Item	Detail
Product Name	13-Oxa-6,7-Dithia-2,11-Diazapentadecanoic Acid, 3,10-Dicarboxy-14,14-Dimethyl-12-Oxo-, 1-(1,1-Dimethylethyl) Ester, [R-(R*,R*)]- (9Ci)
CAS No.	113132-85-7
Molecular Formula	C20H34N2O8S2
Molecular Weight	494.62 g/mol
Synonyms	(R,R)-2,2-Dimethyl-4-[(3-{2-[(2-{[(1,1-Dimethylethoxy)carbonyl]amino}-1-methylethyl)amino]-2-oxoethyl}thio)-1-oxopropyl]thio]butanedioic Acid; tert-Butyl (2R,11R)-3,10-dicarboxy-14,14-dimethyl-12-oxo-13-oxa-6,7-dithia-2,11-diazapentadecanoate; Chiral Dithia-oxa-diaza Building Block; Complex Heterocyclic Ester Intermediate; CAS 113132-85-7; tert-Butyl Ester of a Thia-containing Dipeptide Mimetic; (R,R)-Isomer of a Multifunctional Carboxylic Acid Ester
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity suitable for research and pharmaceutical development. Quality is verified through comprehensive analytical methods including HPLC, NMR, and chiral analysis. A Certificate of Analysis (COA) detailing identity, purity, and chiral purity is provided with each shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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