Description

Arg-Phe-Asp-Ser is a high-purity tetrapeptide sequence composed of Arginine, Phenylalanine, Aspartic Acid, and Serine. This compound is of significant interest in biochemical and pharmaceutical research due to its role as a potential substrate or inhibitor for proteolytic enzymes and its utility in studying cell adhesion mechanisms. It is primarily sought by researchers and manufacturers in the fields of peptide synthesis, proteomics, and drug discovery for developing novel therapeutic agents and diagnostic tools.

Application

• Biochemical Research: Used as a standard or substrate in enzymatic studies, particularly for serine proteases and other enzymes involved in protein metabolism.
• Pharmaceutical Development: Serves as a key intermediate or building block in the synthesis of more complex peptide-based drugs and bioactive compounds.
• Proteomics & Cell Biology: Employed in research focused on cell signaling, adhesion processes, and protein-protein interactions.
• Diagnostic Reagent Production: Utilized in the formulation of assay kits and diagnostic reagents for detecting specific enzymatic activities.
• Academic & Institutional Research: A critical reagent for universities and research institutes conducting fundamental studies in biochemistry and molecular biology.
• Peptide Library Construction: Acts as a component in combinatorial chemistry for creating diverse peptide libraries for screening purposes.

Basic Information

Product Name	Arg-Phe-Asp-Ser
CAS No.	102567-19-1
Molecular Formula	C25H38N8O9
Molecular Weight	594.62 g/mol
Synonyms	Arg-Phe-Asp-Ser Tetrapeptide; RFDS Peptide; H-Arg-Phe-Asp-Ser-OH; L-Arginyl-L-phenylalanyl-L-α-aspartyl-L-serine; Arginylphenylalanylaspartylserine; Tetrapeptide Sequence RFDS; Aspartylserine derivative (Arg-Phe-Asp-Ser)
EINECS	Contact for details

Quality Control

Our Arg-Phe-Asp-Ser is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and chiral purity checks, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture. For short-term use, store at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Specific Rotation	Contact for details

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