
Peptide Fragments
LL-37
Also catalogued as: Ropocamptide · H-Leu-Leu-Gly-Asp-Phe-Phe-Arg-Lys-Ser-Lys-Glu-Lys-Ile-Gly-Lys-Glu-Phe-Lys-Arg-Ile-Val-Gln-Arg-Ile-Lys-Asp-Phe-Leu-Arg-Asn-Leu-Val-Pro-Arg-Thr-Glu-Ser-OH · Ropocamptide
37-residue C-terminal domain of the human cathelicidin precursor, named for its two N-terminal leucines.
Size
Purity 99.11% — lowest of 3 laboratories · lot EP-A1069 · 5mg certificates →
3 passing reports on record · Batch target: 3
For in-vitro laboratory research by qualified professionals. Not for human or veterinary use.
Specifications
- INN
- Ropocamptide
- IUPAC / systematic name
- H-Leu-Leu-Gly-Asp-Phe-Phe-Arg-Lys-Ser-Lys-Glu-Lys-Ile-Gly-Lys-Glu-Phe-Lys-Arg-Ile-Val-Gln-Arg-Ile-Lys-Asp-Phe-Leu-Arg-Asn-Leu-Val-Pro-Arg-Thr-Glu-Ser-OH
- Chemical class
- Cathelicidin-Derived Peptide
- CAS registry
- 154947-66-7 · PubChem
- Molecular weight
- 4,493.4 g/mol
- Amino acids
- 37
- Form
- Lyophilized powder
- Structure note
- Linear amphipathic helix; no cysteine, no disulfide bridges
Quality documentation
Passing reports on record for each compound-size lot, counted once per laboratory. Purity is the lowest reported passing figure. Each batch has its own testing target; meeting it is one requirement for release.
- 5mg
- lot EP-A1069 · purity 99.11% · 3 passing reports on record · Batch target: 3
Intended use
For in-vitro laboratory research by qualified professionals. Not for human or veterinary use of any kind — not a drug, food, cosmetic or supplement. The buyer is responsible for lawful handling, storage and disposal.
Researchers should consult the primary scientific literature for published experimental protocols and conditions relevant to their specific in-vitro or laboratory applications.
Certificates of analysis
Per size, per lot — the testing record.
5mg · lot EP-A1069
3 passing reports on record · Batch target: 3
Aegis Analytical
Purity 99.11%
Lot EP-A1069 · tested 2026-02-04
Legacy record — file not on record
Certus Diagnostics
Purity 99.13%
Lot EP-A1069 · tested 2026-02-11
Legacy record — file not on record
Meridian Bioassay
Purity 99.12%
Lot EP-A1069 · tested 2026-01-28
Legacy record — file not on record