Description

Carbamic Acid, [2-(Aminooxy)Butyl]-, 1,1-Dimethylethyl Ester, (S)- (9Ci) is a high-purity, chiral building block of significant interest in advanced organic synthesis. Its core value lies in its protected aminooxy functional group, which serves as a key intermediate for constructing complex molecules with precise stereochemistry. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients, particularly where the introduction of an (S)-configured aminooxy moiety is required.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), especially in oncology and central nervous system (CNS) drug candidates.
• Agrochemical Synthesis: Used in the production of advanced, stereospecific herbicides, fungicides, and plant growth regulators.
• Peptide & Protein Modification: Enables site-specific conjugation and labeling of biomolecules via oxime ligation chemistry.
• Chemical Biology Probes: Serves as a building block for creating molecular probes and tools to study biological pathways.
• Asymmetric Synthesis: Employed in catalytic and stoichiometric asymmetric reactions to introduce chiral nitrogen- and oxygen-containing functionalities.
• Ligand & Catalyst Development: Used in the preparation of novel chiral ligands and organocatalysts for enantioselective transformations.

Basic Information

Product Name	Carbamic Acid, [2-(Aminooxy)Butyl]-, 1,1-Dimethylethyl Ester, (S)- (9Ci)
CAS No.	121103-18-2
Molecular Formula	C9H20N2O3
Molecular Weight	204.27 g/mol
Synonyms	(S)-tert-Butyl N-[2-(aminooxy)butyl]carbamate; (S)-Boc-Aminooxybutylamine; (S)-N-Boc-2-Aminooxybutylamine; tert-Butyl (S)-(2-(aminooxy)butyl)carbamate; (S)-2-((tert-Butoxycarbonyl)amino)oxybutan-1-amine; (S)-N-(tert-Butoxycarbonyl)-2-aminooxybutylamine; (S)-O-(2-Aminobutyl)hydroxylamine, N-Boc protected; Boc-Aob-OH (common abbreviation)
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, [2-(Aminooxy)Butyl]-, 1,1-Dimethylethyl Ester, (S)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity suitable for research and cGMP manufacturing. All materials are supported by comprehensive Certificates of Analysis (COA) detailing identity, purity, chiral purity, and impurity profiles. We commit to specifications that meet the demanding requirements of pharmaceutical development.

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 compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral 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.