Description

H-Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys-Asn-Oh is a synthetic peptide sequence of significant interest in advanced biochemical research and development. This compound matters for its potential role as a model substrate or active pharmaceutical ingredient (API) intermediate in the study of enzymatic processes, receptor binding, and novel therapeutic pathways. It is primarily needed by biotechnology firms, pharmaceutical R&D laboratories, and academic institutions focused on peptide chemistry, drug discovery, and proteomics.

Application

• Pharmaceutical Research & Development: Serves as a critical intermediate or reference standard in the discovery and synthesis of novel peptide-based therapeutics.
• Biochemical Assay Development: Used as a substrate or ligand in enzymatic studies, binding affinity tests, and high-throughput screening (HTS) platforms.
• Proteomics and Metabolic Studies: Employed in research to understand protein-protein interactions, signal transduction pathways, and metabolic regulation.
• Academic & Institutional Research: A key reagent for universities and research institutes conducting fundamental studies in peptide science and molecular biology.
• API Synthesis: Acts as a building block in the multi-step synthesis of complex peptide Active Pharmaceutical Ingredients (APIs) under current Good Manufacturing Practice (cGMP) conditions.
• Diagnostic Reagent Manufacturing: Potential use in the formulation of specialized diagnostic kits and biomarkers.

Basic Information

Product Name	H-Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys-Asn-Oh
CAS No.	113731-96-7
Molecular Formula	C99H168N38O26
Molecular Weight	2266.6 g/mol
Synonyms	Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys-Asn-OH; H-Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys-Asn-OH; RFARKGALRQKNVHEVKN-OH; Peptide RFA-26; CAS 113731-96-7; UNII-Contact for details; Polyarginine-rich peptide fragment
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under stringent quality systems to ensure batch-to-batch consistency and high purity. Certificates of Analysis (COA) are provided with each shipment, detailing comprehensive analytical results from advanced techniques including HPLC and Mass Spectrometry. We adhere to relevant industry standards for research-grade and cGMP materials to support your critical development work.

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); allow the vial to equilibrate to room temperature in a desiccator before opening to prevent condensation and hydrolysis. For optimal performance, store under inert atmosphere after opening.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to theoretical mass
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Acetate Content (HPIC)	≤ 10.0%

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