Description

Phenylalanyl-Threonyl-Arginyl-Phenylalaninamide is a synthetic tetrapeptide with the sequence Phe-Thr-Arg-Phe-NH₂. This compound is of significant interest in biochemical and pharmaceutical research due to its specific peptide sequence, which can be designed to mimic or interfere with biological processes. It serves as a critical intermediate or reference standard for researchers and manufacturers in the life sciences sector. Key target industries include pharmaceutical R&D, biotechnology, and academic institutions focused on peptide chemistry and drug discovery.

Application

• Pharmaceutical Research: Used as a reference standard or intermediate in the development of novel therapeutic peptides and peptidomimetics.
• Biochemical Studies: Serves as a substrate or inhibitor in enzymatic assays to study protease activity and specificity.
• Drug Discovery: Acts as a building block or a lead compound in high-throughput screening libraries for identifying new bioactive molecules.
• Academic Research: Employed in universities and research institutes for studying peptide synthesis, structure-activity relationships (SAR), and molecular recognition.
• Bioconjugation: Potential use in the synthesis of peptide-protein conjugates or labeled probes for diagnostic applications.

Basic Information

Product Name	Phenylalanyl-Threonyl-Arginyl-Phenylalaninamide
CAS No.	135014-49-2
Molecular Formula	C₃₂H₄₇N₉O₆
Molecular Weight	653.78 g/mol
Synonyms	Phe-Thr-Arg-Phe-NH₂; FTKF-NH₂; H-Phe-Thr-Arg-Phe-NH₂; L-Phenylalanyl-L-threonyl-L-arginyl-L-phenylalaninamide; FTRF-amide; Tetrapeptide Sequence 46-49 (Human Parathyroid Hormone-related Protein); PTHrP(46-49) amide; Phenylalanine-threonine-arginine-phenylalanine amide
EINECS	Contact for details

Quality Control

Our Phenylalanyl-Threonyl-Arginyl-Phenylalaninamide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and chiral analysis to ensure stereochemical integrity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 5.0%
Single Impurity (HPLC)	≤ 1.0%
Optical Rotation	Contact for details

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