Description

Propanoic Acid, 3-(Aminooxy)-, Hydrochloride is a specialized organic salt of significant interest in synthetic chemistry and pharmaceutical research. Its unique bifunctional structure, featuring both an aminooxy group and a carboxylic acid moiety, makes it a valuable building block for the synthesis of oxime conjugates and other complex molecules. This compound is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and fine chemical industries for the development of new active ingredients and advanced materials. Its availability in high purity is critical for ensuring reproducible results in sensitive applications.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of oxime-based prodrugs, linker molecules in antibody-drug conjugates (ADCs), and other bioactive compounds.
• Bioconjugation Reagent: Used for site-specific labeling and crosslinking of biomolecules (e.g., proteins, peptides) via oxime ligation chemistry.
• Agrochemical Synthesis: Intermediate in the production of novel herbicides, fungicides, and plant growth regulators that incorporate oxime ether functionalities.
• Polymer Modification: Serves as a functional monomer or crosslinking agent for creating polymers with tailored properties such as pH-responsiveness or bio-adhesion.
• Chemical Biology Research: Tool compound for probing biological pathways and developing chemical probes that target specific enzymes or receptors.
• Material Science: Precursor for surface functionalization of nanoparticles and other materials to introduce reactive aminooxy groups.

Basic Information

Product Name	Propanoic Acid, 3-(Aminooxy)-, Hydrochloride
CAS No.	5251-77-4
Molecular Formula	C₃H₈ClNO₃
Molecular Weight	141.55 g/mol
Synonyms	3-(Aminooxy)propanoic acid hydrochloride; β-Aminooxypropionic acid hydrochloride; O-(2-Carboxyethyl)hydroxylamine hydrochloride; 3-Aminopropoxyacetic acid hydrochloride; Aminooxypropionic acid HCl; Hydroxylamine, O-(2-carboxyethyl)-, hydrochloride; AOPA hydrochloride
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 3-(Aminooxy)-, Hydrochloride is produced under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development. We offer material compliant with current Good Manufacturing Practice (cGMP) principles for advanced applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment and are available upon request.

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) and must be kept under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere.

Specification

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