Description

L-Alanine, n-Ethylidene-, Ethyl Ester (9Ci) is a specialized alanine derivative, serving as a crucial chiral building block and protected amino acid intermediate in advanced organic synthesis. Its value lies in enabling the precise construction of complex molecules, particularly in the development of pharmaceuticals and bioactive compounds. This high-purity intermediate is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries who require reliable, high-quality synthetic precursors.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of active pharmaceutical ingredients (APIs), especially in peptidomimetics and novel drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides that require specific stereochemistry for efficacy.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances.
• Peptide Chemistry: Acts as a protected amino acid derivative in solid-phase and solution-phase peptide synthesis.
• Biochemical Research: Utilized as a standard or reagent in metabolic pathway studies and enzymatic research.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with tailored properties.

Basic Information

Product Name	L-Alanine, n-Ethylidene-, Ethyl Ester (9Ci)
CAS No.	157826-38-5
Molecular Formula	C7H13NO3
Molecular Weight	159.18 g/mol
Synonyms	Ethyl (2S)-2-(Ethylideneamino)propanoate; L-Alanine, N-ethylidene-, ethyl ester; N-Ethylidene-L-alanine ethyl ester; (S)-Ethyl 2-(ethylideneamino)propanoate; Alanine, N-ethylidene-, ethyl ester, L-; Ethyl N-ethylidene-L-alaninate; 157826-38-5; L-Alanine, N-ethylidene-, ethyl ester (9CI)
EINECS	Contact for details

Quality Control

Our L-Alanine, n-Ethylidene-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformity to agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% 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.