Description

Phosphonic Acid, (2-Amino-5-Methyl-3-Cyclohexen-1-Yl)-, Monomethyl Ester (9Ci) is a specialized organophosphorus compound featuring a cyclohexenyl amine moiety. This unique structure makes it a valuable intermediate for the synthesis of complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development teams in the fine chemical and life science industries who require high-purity building blocks for novel active ingredient development.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, or plant growth regulators leveraging its phosphonate functionality.
• Ligand and Catalyst Preparation: The amino and phosphonic ester groups make it a precursor for creating specialized ligands used in asymmetric catalysis and metal complexation.
• Chemical Biology Research: Employed as a probe or intermediate in the study of enzyme inhibition and biochemical pathway modulation.
• Material Science: Potential use in the development of functionalized surfaces, metal-organic frameworks (MOFs), or specialty polymers requiring specific chelating sites.

Basic Information

Product Name	Phosphonic Acid, (2-Amino-5-Methyl-3-Cyclohexen-1-Yl)-, Monomethyl Ester (9Ci)
CAS No.	780721-23-5
Molecular Formula	C9H18NO3P
Molecular Weight	219.22 g/mol
Synonyms	(2-Amino-5-methyl-3-cyclohexen-1-yl)phosphonic acid monomethyl ester; Methyl (2-amino-5-methyl-3-cyclohexen-1-yl)phosphonate; 2-Amino-5-methyl-3-cyclohexene-1-phosphonic acid methyl ester; (2-Amino-5-methylcyclohex-3-en-1-yl)phosphonic acid methyl ester; Amino-methyl-cyclohexenyl phosphonate
EINECS	Contact for details

Quality Control

Every batch of Phosphonic Acid, (2-Amino-5-Methyl-3-Cyclohexen-1-Yl)-, Monomethyl Ester is produced and tested under a strict quality management system. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles to ensure it meets the exacting standards required for research and process chemistry. Our quality commitment supports compliance with cGMP and ISO guidelines where applicable for intermediate manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its chemical nature as a strong acid/organic solvent, keep away from incompatible materials such as strong bases and oxidizing agents. Keep container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area %)	≥ 97.0%
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.