Description

Carboxymethoxylamine Hemihydrochloride is a key organic synthesis intermediate, primarily used as a versatile reagent for the preparation of oxime derivatives. Its value lies in its ability to protect carbonyl groups and serve as a building block for more complex molecules in pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists working in fine chemical synthesis, medicinal chemistry, and the production of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Critical building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of herbicides, fungicides, and plant growth regulators.
• Bioconjugation & Protein Chemistry: Serves as a reagent for modifying proteins, peptides, and other biomolecules via oxime ligation.
• Organic Synthesis Reagent: Employed as a protecting group for aldehydes and ketones, and for the preparation of heterocyclic compounds.
• Material Science Research: Utilized in the development of specialty polymers and functional organic materials.
• Analytical Chemistry: Acts as a derivatization agent for the analysis of carbonyl-containing compounds by HPLC or GC.

Basic Information

Product Name	Carboxymethoxylamine Hemihydrochloride
CAS No.	2921-14-4
Molecular Formula	C2H6ClNO3
Molecular Weight	127.53 g/mol
Synonyms	Aminooxyacetic acid hemihydrochloride; O-Carboxymethylhydroxylamine hemihydrochloride; (Aminooxy)acetic acid hemihydrochloride; AOAA hemihydrochloride; Glycine, N-(hydroxy)-, hemihydrochloride; Hydroxylamine, O-(carboxymethyl)-, hemihydrochloride; Carboxymethoxylamine hydrochloride (1:0.5)
EINECS	220-876-6

Quality Control

Our Carboxymethoxylamine Hemihydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

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.