Description

Carbamic Acid, [(1R,2R)-2-Ethyl-3-Cyclopenten-1-Yl]Hydroxy-, 1,1-Dimethylethyl Ester, Rel- (9Ci) is a specialized chiral intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a key building block in the development of complex, stereochemically defined molecules, particularly within the pharmaceutical sector. It is primarily needed by research and development chemists and process development teams in the fine chemical and pharmaceutical industries for the synthesis of novel active pharmaceutical ingredients (APIs) and other high-value chiral compounds.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of novel Active Pharmaceutical Ingredients (APIs) and drug candidates.
• Asymmetric Synthesis: Used in the construction of complex molecules where the specific (1R,2R) stereochemistry is required for biological activity.
• Process Chemistry & Scale-up: Serves as a starting material or intermediate in the development and optimization of scalable synthetic routes for target molecules.
• Medicinal Chemistry Research: Employed in the discovery phase for creating focused libraries of compounds with defined stereocenters for biological screening.
• Fine Chemical Production: Utilized in the manufacture of other high-value, specialty chemicals that require this specific carbamate-protected cyclopentene scaffold.

Basic Information

Item	Details
Product Name	Carbamic Acid, [(1R,2R)-2-Ethyl-3-Cyclopenten-1-Yl]Hydroxy-, 1,1-Dimethylethyl Ester, Rel- (9Ci)
CAS No.	441798-94-3
Molecular Formula	C13H23NO3
Molecular Weight	241.33 g/mol
Synonyms	tert-Butyl N-[(1R,2R)-2-ethyl-3-hydroxycyclopentyl]carbamate; (1R,2R)-2-Ethyl-3-hydroxycyclopentylcarbamic acid tert-butyl ester; rel-(1R,2R)-1-(tert-Butoxycarbonylamino)-2-ethyl-3-hydroxycyclopentane; BOC-protected (1R,2R)-2-ethyl-3-hydroxycyclopentylamine; tert-Butyl ((1R,2R)-2-ethyl-3-hydroxycyclopentyl)carbamate; (1R,2R)-N-Boc-2-ethyl-3-hydroxycyclopentylamine; Carbamic acid, N-[(1R,2R)-2-ethyl-3-hydroxycyclopentyl]-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, and NMR to verify identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing batch-specific results are available upon request. Our commitment to quality supports applications requiring high-purity chiral intermediates for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be hygroscopic (moisture-sensitive); therefore, containers should be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% de (for specified isomer)
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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