Description

Lactoferrin (536-540) is a high-purity, bioactive peptide fragment derived from the native lactoferrin protein. This specific sequence is valued for its targeted biological activity and research applications in advanced life sciences. It serves as a critical raw material for pharmaceutical development, nutraceutical formulation, and biochemical research. Global B2B buyers rely on this consistent, high-quality peptide for its precise performance in demanding applications.

Application

• Pharmaceutical R&D: Used as a reference standard and active pharmaceutical ingredient (API) intermediate in the development of anti-inflammatory and antimicrobial therapies.
• Nutraceutical Formulation: Incorporated into specialized dietary supplements and functional foods designed for immune system support and gut health.
• Biochemical Research: Essential tool in studying iron-binding mechanisms, host defense peptides, and cell signaling pathways in academic and industrial laboratories.
• Cosmeceutical Products: Utilized in high-end skincare formulations for its potential anti-aging and skin barrier-enhancing properties.
• Veterinary Medicine: Applied in developing health supplements and therapeutic products for livestock and companion animals.
• Diagnostic Reagent Production: Serves as a key component in the manufacture of immunoassays and diagnostic kits.

Basic Information

Product Name	Lactoferrin (536-540)
CAS No.	117667-26-2
Molecular Formula	C30H49N9O9
Molecular Weight	655.8 g/mol
Synonyms	Lactoferrin fragment 536-540; Lfcin (17-21); Lactoferricin H (17-21); H-Phe-Lys-Cys-Arg-Arg-Trp-NH2; FKCRRW-NH2; Bovine Lactoferrin Peptide (536-540); Antimicrobial Peptide LFP-20; Iron-binding peptide fragment
EINECS	Contact for details

Quality Control

Our Lactoferrin (536-540) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and MS for identity confirmation, to ensure it meets the high standards required for research and production. Certificates of Analysis (COA) with full traceability are provided with every shipment. We support compliance with cGMP, ISO 9001, and relevant pharmacopeial guidelines where applicable.

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 sealed vial to equilibrate to room temperature before opening to prevent condensation. For extended storage, keep desiccated.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	Conforms to theoretical values
Peptide Content	≥ 80.0% (by weight)
Water Content (KF)	≤ 5.0%
Acetate Content (HPLC)	≤ 10.0%

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