Description

Leucine, p-Tolyl Ester, L- (8Ci) is a specialized amino acid derivative where the carboxyl group of L-Leucine is esterified with p-cresol. This compound matters as a high-value chiral building block and intermediate, offering precise stereochemistry for advanced synthesis. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of peptide mimetics and proprietary active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced, stereospecific pesticides and herbicides where specific chirality impacts biological activity.
• Organic Synthesis & Research: Acts as a protected form of L-Leucine or a starting material for complex organic transformations in academic and industrial R&D laboratories.
• Bioconjugation & Probe Development: Utilized in the synthesis of labeled compounds, molecular probes, and bioconjugates for biochemical and diagnostic research.

Basic Information

Product Name	Leucine, p-Tolyl Ester, L- (8Ci)
CAS No.	802049-75-8
Molecular Formula	C13H19NO2
Molecular Weight	221.30 g/mol
Synonyms	L-Leucine p-tolyl ester; (S)-2-Amino-4-methylpentanoic acid 4-methylphenyl ester; p-Cresyl L-leucinate; L-Leucine 4-methylphenyl ester; Leucine p-tolyl ester; 4-Methylphenyl L-leucinate; (S)-Leucine p-tolyl ester
EINECS	Contact for details

Quality Control

Our Leucine, p-Tolyl Ester, L- (8Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 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.