Description

(2S)-2-tert-Butyloxy-Butanedioic Acid tert-Butyl Ethyl Ester is a high-purity chiral building block and protected amino acid derivative essential for advanced organic synthesis. This compound matters for its role as a key intermediate in the production of complex pharmaceuticals and fine chemicals, offering precise stereochemical control. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active pharmaceutical ingredients (APIs) and novel compounds.

Application

• Pharmaceutical Intermediate: A critical chiral synthon in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Peptide Chemistry: Used in the synthesis of protected amino acid derivatives and custom peptides for research and therapeutic applications.
• Asymmetric Synthesis: Serves as a starting material or auxiliary in catalytic asymmetric reactions to construct stereogenic centers.
• Agrochemical Research: Employed in the development of chiral herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Utilized for manufacturing specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Academic & R&D: A valuable reagent for methodological development in organic chemistry and medicinal chemistry research laboratories.

Basic Information

Product Name	(2S)-2-tert-Butyloxy-Butanedioic Acid tert-Butyl Ethyl Ester
CAS No.	958350-60-2
Molecular Formula	C14H26O5
Molecular Weight	274.35 g/mol
Synonyms	(2S)-2-(tert-Butoxy)succinic acid 1-tert-butyl 4-ethyl ester; L-2-(tert-Butoxy)succinic acid tert-butyl ethyl ester; Ethyl (2S)-2-tert-butoxybutanedioate tert-butyl ester; (S)-2-(tert-Butoxy)succinic Acid 1-tert-Butyl 4-Ethyl Ester; (S)-2-tert-Butoxybutanedioic Acid tert-Butyl Ethyl Ester; (S)-Ethyl 2-(tert-butoxy)succinate tert-butyl ester; Protected L-Aspartic Acid Derivative
EINECS	Contact for details

Quality Control

Our (2S)-2-tert-Butyloxy-Butanedioic Acid tert-Butyl Ethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure compliance with high-purity standards for research and pharmaceutical applications. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are available upon request.

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). Keep away from strong acids and organic solvents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% 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.