Description

Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Nle-Nh2 is a synthetic peptide with the CAS number 57462-42-7, designed for advanced research and development applications. This compound is valued for its specific sequence, which makes it a critical tool for studying biological pathways and developing novel therapeutic agents. It is primarily sought by pharmaceutical R&D laboratories, biotechnology companies, and academic research institutions focused on peptide science, metabolic studies, and drug discovery.

Application

• Biomedical Research: Used as a reference standard or active component in studies of peptide-protein interactions, enzyme substrates, and receptor binding assays.
• Drug Discovery & Development: Serves as a key intermediate or lead compound in the development of novel peptide-based pharmaceuticals and diagnostic agents.
• Biochemical Assays: Employed in in vitro testing to elucidate metabolic functions and signal transduction mechanisms.
• Academic & Institutional Research: A vital reagent for university and government labs conducting fundamental research in biochemistry and molecular biology.
• Peptide Library Synthesis: Used in the construction of specialized peptide libraries for high-throughput screening and structure-activity relationship (SAR) studies.

Basic Information

Product Name	Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Nle-Nh2
CAS No.	57462-42-7
Molecular Formula	C66H98N18O13
Molecular Weight	1327.6 g/mol
Synonyms	RPKPQGFFGL-NH2; Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Norleucine Amide; Substance P (6-11), Norleucine11-; H-Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Nle-NH2; Norleucine11-Substance P (6-11); [Nle11]-Substance P (6-11); Substance P Fragment 6-11 (norleucine11)
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

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). For long-term storage, keep desiccated. Allow the vial to reach room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	± 10% of theoretical
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%

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