Description

Benzoyl-Dl-Leucine CAS NO 17966-67-5 is a synthetic derivative of the amino acid leucine, where a benzoyl group is attached to the amino functionality. This modification enhances its utility as a key chiral intermediate and protecting group reagent in sophisticated organic synthesis. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing peptide-based therapeutics, enzyme inhibitors, and other bioactive compounds.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel peptide drugs and active pharmaceutical ingredients (APIs).
• Chiral Resolution Agent: Used in the separation and purification of enantiomers due to its derivatized amino acid structure.
• Biochemical Research: Employed in proteomics and metabolic studies as a standard or reagent for investigating amino acid pathways.
• Peptide Synthesis: Acts as a protected leucine derivative in solid-phase and solution-phase peptide synthesis protocols.
• Fine Chemical Production: Utilized as a specialty intermediate for manufacturing complex organic molecules with high purity requirements.

Basic Information

Product Name	Benzoyl-Dl-Leucine
CAS No.	17966-67-5
Molecular Formula	C13H17NO3
Molecular Weight	235.28 g/mol
Synonyms	N-Benzoyl-DL-leucine; DL-Leucine, N-benzoyl-; Benzoylleucine; 2-Benzamido-4-methylpentanoic acid; (±)-N-Benzoylleucine; NSC 403714; Bz-Leu-OH; N-(Benzoyl)-DL-leucine
EINECS	Contact for details

Quality Control

Our Benzoyl-Dl-Leucine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Optical Rotation	Contact for details

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