Description

Carbobenzyloxyphenylalanyltyrosine Benzyl Ester is a protected dipeptide derivative, specifically the benzyl ester of the Z-protected dipeptide Z-Phe-Tyr. This compound is a crucial synthetic intermediate in the field of peptide chemistry. It is primarily utilized by research institutions and pharmaceutical manufacturers for the development and production of complex peptides, including potential therapeutic agents. Its protected functional groups allow for selective deprotection and further chain elongation in solid-phase or solution-phase peptide synthesis.

Application

• Peptide Synthesis Intermediate: A key building block for the chemical synthesis of longer peptide sequences in both research and GMP manufacturing settings.
• Pharmaceutical Research & Development: Used in the discovery and development of novel peptide-based drugs, hormones, and enzyme inhibitors.
• Bioconjugation & Labeling Studies: Serves as a precursor for creating modified peptides with fluorescent tags, biotin, or other functional handles for biochemical assays.
• Academic & Industrial Research: Employed in universities and corporate R&D labs for studying peptide structure-activity relationships (SAR) and metabolic stability.
• Custom Peptide Service Provider: A critical raw material for companies offering bespoke peptide synthesis services to the global life science community.

Basic Information

Product Name	Carbobenzyloxyphenylalanyltyrosine Benzyl Ester
CAS No.	96676-32-3
Molecular Formula	C33H32N2O6
Molecular Weight	552.62 g/mol
Synonyms	Z-Phe-Tyr-OBzl; N-Carbobenzyloxy-L-phenylalanyl-L-tyrosine Benzyl Ester; Cbz-Phe-Tyr-OBzl; Benzyl N-[(benzyloxy)carbonyl]-L-phenylalanyl-L-tyrosinate; Nα-Cbz-L-phenylalanyl-L-tyrosine benzyl ester; CBZ-Phenylalanyl-Tyrosine Benzyl Ester; Z-L-Phe-L-Tyr-OBzl
EINECS	Contact for details

Quality Control

Our Carbobenzyloxyphenylalanyltyrosine Benzyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis for enantiomeric excess, and spectroscopic identification (NMR, IR, MS) to ensure structural integrity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccant and inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥97.0%
Optical Rotation	Contact for details
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm

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