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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

LL-37 — Everpure Peptides