Description

L-Phenylalanine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valyl-L-valyl-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoyl-(αR,βR,2S)-β-methoxy-α-methyl-2-pyrrolidinepropanoyl-, methyl ester is a complex, high-purity synthetic peptide derivative designed for advanced research and development. This compound is critical for pharmaceutical chemists and biochemists working on novel therapeutic agents, particularly in the field of targeted drug delivery and peptide-based inhibitors. Its sophisticated structure makes it an essential building block for synthesizing specialized peptide sequences in medicinal chemistry and proteomics research.

Application

• Pharmaceutical Intermediate: Serves as a key synthetic precursor in the development of novel peptide-based drugs and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and the synthesis of complex peptide analogs for biological screening.
• Protease Inhibitor Development: Acts as a core structural component in the design and synthesis of potent, selective protease inhibitors.
• Peptide Library Synthesis: Employed in solid-phase and solution-phase peptide synthesis to create diverse libraries for high-throughput screening.
• Bioconjugation & Labeling: Utilized in the preparation of labeled peptides for diagnostic imaging and biochemical assays due to its reactive handles.
• Academic & Institutional R&D: A vital reagent for universities and research institutes exploring advanced peptide chemistry and drug discovery pathways.

Basic Information

Product Name	L-Phenylalanine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valyl-L-valyl-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoyl-(αR,βR,2S)-β-methoxy-α-methyl-2-pyrrolidinepropanoyl-, methyl ester
CAS No.	863971-38-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Fmoc-N-Me-Val-Val-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoyl-(αR,βR,2S)-β-methoxy-α-methyl-2-pyrrolidinepropanoyl-Phe-OMe; Boc-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoic acid derivative; Advanced Peptide Building Block 863971-38-4; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valyl-L-valyl-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoyl-(αR,βR,2S)-β-methoxy-α-methyl-2-pyrrolidinepropanoyl-L-phenylalanine methyl ester; Fmoc-N-Me-Val-Val-DMDP-Phe-OMe (abbreviated); Complex Peptide Ester CAS 863971-38-4; Custom Synthetic Peptide Intermediate
EINECS	Contact for details

Quality Control

Our L-Phenylalanine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valyl-L-valyl-(3R,4S,5S)-3-methoxy-5-methyl-4-(methylamino)heptanoyl-(αR,βR,2S)-β-methoxy-α-methyl-2-pyrrolidinepropanoyl-, methyl ester is manufactured under strict quality systems suitable for research and development. Each batch is characterized and tested to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), chiral purity, and impurity profiles are provided to support your critical R&D and cGMP development work.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability. For long-term storage, consider desiccation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Assay (HPLC)	≥95.0%
Chiral Purity	≥99.0% ee
Single Impurity (HPLC)	≤1.0%
Total Impurities (HPLC)	≤3.0%
Water Content (KF)	≤1.0%

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