Description

Carbamic Acid, [2-(2S)-2-Pyrrolidinylethyl]-, 1,1-Dimethylethyl Ester (9Ci) is a high-purity, chiral building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex, biologically active molecules, particularly within the pharmaceutical sector. It is primarily needed by R&D chemists and process development teams in pharmaceutical, agrochemical, and fine chemical industries for constructing novel active pharmaceutical ingredients (APIs) and other specialty compounds.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Agrochemical Research: Used in the development of advanced, enantiomerically pure pesticides and herbicides.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for synthesizing chiral ligands used in asymmetric hydrogenation and other catalytic processes.
• Peptidomimetic Chemistry: Employed in the design and synthesis of peptidomimetics and protease inhibitors due to its pyrrolidine-based structure.
• Academic & Contract Research: A valuable reagent for academic research and contract research organizations (CROs) exploring new synthetic methodologies and bioactive compounds.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.

Basic Information

Product Name	Carbamic Acid, [2-(2S)-2-Pyrrolidinylethyl]-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	719999-55-0
Molecular Formula	C11H22N2O2
Molecular Weight	214.31 g/mol
Synonyms	(S)-tert-Butyl 2-(2-pyrrolidin-1-ium-1-ylethyl)carbamate; (2S)-1-[2-[[(1,1-Dimethylethoxy)carbonyl]amino]ethyl]pyrrolidinium; tert-Butyl N-[2-[(2S)-pyrrolidin-2-yl]ethyl]carbamate; (S)-tert-Butyl (2-(pyrrolidin-2-yl)ethyl)carbamate; 719999-55-0; BOC-L-Proline ethylamide derivative; N-Boc-2-((S)-pyrrolidin-2-yl)ethan-1-amine
EINECS	Contact for details

Quality Control

Our Carbamic Acid, [2-(2S)-2-Pyrrolidinylethyl]-, 1,1-Dimethylethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) with detailed chromatographic data (HPLC, GC) are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% 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.