Name: LL37 5mg
Purity: >99% (or refer to the Certificate of Analysis)
Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Shelf Life: >2 years if stored properly
Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).
LL‑37 is the only human cathelicidin antimicrobial peptide, derived from the hCAP18 protein. It is a 37‑amino acid cationic, amphipathic α‑helical peptide with broad immunomodulatory and host defense functions.
CAS Number: 154947-66-7
It exhibits potent antimicrobial activity against Gram‑positive and Gram‑negative bacteria, fungi, and enveloped viruses. Beyond direct microbial killing, LL‑37 regulates inflammation, promotes wound healing, modulates immune cell recruitment, and supports tissue repair. It is widely studied in immunology, dermatology, infection research, and mucosal defense.
Production：
Manufactured via solid-phase peptide synthesis (SPPS), followed by purification and lyophilization to obtain the final product.
NOTE: This product was prepared by chemical synthesis. Used only for research. Not for human use.
1. Ultra-High Purity
Each batch is synthesized and purified to >99% purity, ensuring reliable and reproducible results in sensitive experiments.
2.Accurate Dosing & Consistency
Our peptides are precisely weighed and vacuum-sealed under sterile conditions. Batch-to-batch consistency is rigorously maintained.
3.Endotoxin-Free & Sterile Processing
Manufactured in a cleanroom environment, our peptides are free from endotoxins, microbial contamination, and other impurities that could interfere with cell-based or in vivo studies.
1. Company Introduction:
Our company specializes in exporting various chemical products, including chemical raw materials, a full range of peptide products.
We will provide you with high quality products at the best offer. Professional transportation, convenient and safe, door-to-door delivery.
Customers who have ordered our products（peptides）have had very good feedback.
World wide relaible buyers can contact us about the peptides.
2. Product Description:
Peptides are short chains of 2–50 amino acids linked by peptide bonds, bridging amino acids and proteins. They feature high absorption rate (80%–95%), strong biological activity, low immunogenicity, and wide applications in pharmaceuticals, cosmetics, nutraceuticals, and research.
3. Key Categories:
- Cosmetic Peptides: Acetyl Hexapeptide-8, Copper Peptide GHK-Cu, Pentapeptide-4, SNAP-8
- Pharmaceutical Peptides: Semaglutide, Tirzepatide, Thymosin Alpha-1, Epithalon
4. Specifications:
- Purity: ≥99% (HPLC)
- Appearance: White to off-white lyophilized powder
- Solubility: Soluble in water, DMSO, etc.
- Storage: -20°C, dry and protected from light
- Minimum order quantity: 1 box
- COA provided; factory direct supply; stable quality; fast delivery
5. Applications:
- Cosmetics: Anti-wrinkle, firming, whitening, repair
- Pharmaceuticals: Weight management, immune regulation
- Nutritional supplements: Sports nutrition, anti-aging, health supplements
- Scientific research: Laboratory reagents, custom synthesis
6. Why Choose Us:
- Factory direct, competitive FOB price
- Strict quality control, full COA
- Custom synthesis & packaging available
- Fast delivery & professional after-sales
Contact us for best quotation!
7. peptides have obvious advantages:
- Direct absorption without digestion
- Strong targeting and physiological activity
- Stable structure, easy to process and formulate
- High safety, good biocompatibility
These properties make peptides one of the most promising raw materials in the global health and beauty industry.
8.Main Functions & Benefits
- Anti-aging & anti-wrinkle
Reduce fine lines, firm skin, promote collagen regeneration.
- Skin repair & protection
Accelerate wound healing, soothe sensitive skin, reduce inflammation.
- Weight management & metabolism
Regulate appetite, improve insulin sensitivity, support fat metabolism.
We are a professional peptide manufacturer and supplier with rich experience in global export.
We provide high-quality peptides, stable supply, and professional service for worldwide customers.
Welcome to contact us for price list, COA and more details.
