Description

Phe-Lys(Fmoc)-Pab is a specialized, high-purity protected dipeptide building block used in solid-phase peptide synthesis (SPPS). This compound is critical for researchers and manufacturers requiring precise control over peptide sequence and structure, particularly for complex or therapeutic peptides. It is primarily utilized by the pharmaceutical, biotechnology, and life sciences research sectors for drug discovery, development, and production.

Application

• Solid-Phase Peptide Synthesis (SPPS): A key intermediate for the controlled, sequential addition of amino acids to construct target peptide sequences.
• Pharmaceutical Research & Development: Used in the discovery and synthesis of novel peptide-based drug candidates, including potential therapeutics for metabolic and oncological targets.
• Bioconjugation & Labeling: Serves as a precursor for creating peptide conjugates with other molecules, such as fluorophores or drug payloads, due to its reactive and protectable functional groups.
• Combinatorial Chemistry Libraries: Employed in the generation of diverse peptide libraries for high-throughput screening against biological targets.
• Academic & Institutional Research: A fundamental reagent for studying peptide structure-activity relationships (SAR) and biochemical pathways in university and institutional labs.

Basic Information

Product Name	Phe-Lys(Fmoc)-Pab
CAS No.	2149584-03-0
Molecular Formula	C37H38N4O6
Molecular Weight	634.73 g/mol
Synonyms	Fmoc-Lys(Boc)-Phe-PAB-OH; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N6-[(tert-butoxy)carbonyl]-L-lysyl-L-phenylalanyl-4-(aminomethyl)benzoic acid; Fmoc-Lys(Boc)-Phe-Pab; L-Phenylalanyl-N6-[(1,1-dimethylethoxy)carbonyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysyl-4-(aminomethyl)benzoic acid; Pab-Phe-Lys(Fmoc); Protected Dipeptide Pab-Phe-Lys(Fmoc); Fmoc-Lys(Boc)-Phe-PAB Resin Linker Precursor
EINECS	Contact for details

Quality Control

Our Phe-Lys(Fmoc)-Pab is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for sensitive research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to industry-standard quality practices to support your cGMP and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This product is hygroscopic (moisture-sensitive) and should be handled under dry, inert conditions to maintain stability and purity. Allow the sealed container to equilibrate to room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (MS)	Conforms
Purity (HPLC)	≥ 95.0%
Assay	≥ 98.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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