Research Use Only
LL-37
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
LL-37 (LL37) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 154947-66-7, formula C205H340N60O53, average MW 4493 Da, PubChem CID 16198951. It is indexed as human cathelicidin antimicrobial peptide.
Synonyms and vendor codes indexed here include LL37, Cathelicidin LL-37, CAMP peptide. This page does not describe administration or dosing.
Key facts
| CAS Registry Number | 154947-66-7 |
|---|---|
| Molecular formula | C205H340N60O53 |
| Average molecular weight | 4493 Da |
| PubChem CID | 16198951 |
| InChIKey | POIUWJQBRNEFGX-XAMSXPGMSA-N |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | LL37, Cathelicidin LL-37, CAMP peptide |
| Research notes | human cathelicidin antimicrobial peptide |
| Evidence tier | B |
| Last verified | 2026-08-21 |
Is LL-37 for human use?
No. LL-37 (LL37) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of LL-37?
The CAS number of LL-37 (LL37) is 154947-66-7. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of LL-37?
The average molecular weight of LL-37 (LL37) listed on Costides is 4493 Da.
Chemical identity table
| CAS Registry Number | 154947-66-7 |
|---|---|
| Molecular formula | C205H340N60O53 |
| Average molecular weight | 4493 Da |
| PubChem CID | 16198951 |
| InChIKey | POIUWJQBRNEFGX-XAMSXPGMSA-N |
| Synonyms | LL37, Cathelicidin LL-37, CAMP peptide |
Frequently asked questions
- What is LL-37?
- LL-37 (LL37) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 154947-66-7, formula C205H340N60O53, average MW 4493 Da, PubChem CID 16198951. It is indexed as human cathelicidin antimicrobial peptide. The CAS number of LL-37 is 154947-66-7. Research Use Only. Not for human or veterinary use.
- What is the CAS number of LL-37?
- The CAS number of LL-37 (LL37) is 154947-66-7. Formula and molecular weight appear in the identity table when retrieved.
- Is LL-37 for human use?
- No. LL-37 (LL37) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of LL-37?
- The average molecular weight of LL-37 (LL37) listed on Costides is 4493 Da.
- Can I buy LL-37 from Costides?
- Yes. LL-37 may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for LL-37 come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 16198951
- CAS Common Chemistry 154947-66-7
- Immunomodulatory Effects of Poly-D,L-Lactic Acid on LL-37-Driven Rosacea-like Inflammation via Suppression of mTORC1 Signaling. PMID 42511767
- DOI for PMID 42511767 PMID 42511767
- Bile salt-mediated adaptation of Bacteroides spp.: in vitro analysis of colonization and metabolism. PMID 42492756
- DOI for PMID 42492756 PMID 42492756
- RNA selectively modulates activity of virulent amyloid PSMα3 and host-defense LL-37 via phase separation and aggregation dynamics. PMID 42474037
- DOI for PMID 42474037 PMID 42474037