Description

4-Hexynoic Acid, 2-Amino-, Ethyl Ester is a specialized organic building block that combines an alkyne functionality with an amino acid ester moiety. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, peptide mimetics, and advanced material precursors.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in creating constrained peptide analogs and bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive alkyne group for cycloaddition reactions.
• Peptidomimetics & Bio-conjugation: Serves as a building block for designing peptide mimetics and for bio-conjugation applications via click chemistry (e.g., CuAAC reactions).
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags for studying biological processes and target engagement.
• Material Science Research: Acts as a monomer or cross-linker precursor in the development of specialty polymers and functional materials.
• Academic & Industrial R&D: A versatile reagent for method development and exploring new synthetic pathways in organic chemistry laboratories.

Basic Information

Product Name	4-Hexynoic Acid, 2-Amino-, Ethyl Ester
CAS No.	874108-41-5
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	Ethyl 2-Amino-4-hexynoate; 2-Amino-4-hexynoic Acid Ethyl Ester; 4-Hexynoic acid, 2-amino-, ethyl ester; Ethyl 2-aminohex-4-ynoate; 2-Aminohex-4-ynoic acid ethyl ester; L- or DL- forms may be specified.
EINECS	Contact for details

Quality Control

Our production of 4-Hexynoic Acid, 2-Amino-, Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic workflows. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We support cGMP-compliant manufacturing for advanced R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR / NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical: 97-99%)
Water Content (KF)	≤ 1.0%
Specific Rotation (if chiral)	Contact for details

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