Description

Ll-37 is a naturally occurring antimicrobial peptide, also known as cathelicidin, with the CAS registry number 154947-66-7. This compound is of significant interest for its broad-spectrum activity against bacteria, fungi, and viruses, as well as its role in modulating immune responses and promoting wound healing. It is a critical research and development material for pharmaceutical, biotechnology, and advanced cosmetic industries focused on novel anti-infective and immunomodulatory therapies.

Application

• Research and development of novel antimicrobial agents and antibiotics.
• Formulation of advanced wound care and healing products.
• Study of innate immunity and host defense mechanisms.
• Development of anti-inflammatory and immunomodulatory therapeutics.
• Investigation of its role in skin barrier function and dermatological applications.
• Use as a reference standard in analytical and bioassay laboratories.
• Pre-clinical studies for infectious disease and sepsis research.
• Potential applications in cosmeceutical formulations targeting skin health.

Basic Information

Product Name	Ll-37
CAS No.	154947-66-7
Molecular Formula	C₂₀₄H₃₄₀N₆₀O₅₃S
Molecular Weight	4493.0 g/mol
Synonyms	Cathelicidin LL-37; LL-37 human; hCAP-18 (human cationic antimicrobial protein 18); FALL-39; Antimicrobial peptide LL-37; CAMP (Cathelicidin Antimicrobial Peptide); Leu-Leu-37; LL37
EINECS	Contact for details

Quality Control

Our Ll-37 is produced under stringent conditions to ensure high purity and batch-to-batch consistency, suitable for research and development purposes. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and biological activity. We adhere to cGMP guidelines where applicable, and our quality systems are designed to meet the exacting standards of the pharmaceutical and biotechnology industries.

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, consider aliquoting to minimize freeze-thaw cycles and maintain stability.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95%
Peptide Content	≥ 80% (by weight)
Water Content (KF)	≤ 5.0%
Acetate Content (HPLC)	≤ 10%
Biological Activity (MIC Assay)	Reported per COA
Endotoxin Level (LAL)	< 1.0 EU/mg

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