Identity
| Name | LL-37 (also human cathelicidin LL-37) |
| Sequence, three-letter | 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 |
| Sequence, one-letter | LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES |
| Length | 37 amino acids |
| Molecular formula | C₂₀₅H₃₄₀N₆₀O₅₃ |
| Molecular weight | 4493 g/mol (monoisotopic mass 4490.5754) |
| CAS number | 154947-66-7 |
Reference data from PubChem (CID 16198951). Sequence checked against UniProt P49913. Check any certificate's mass with our peptide mass calculator.
Specification and supply
| Strength | Box code | Pack | Availability |
|---|---|---|---|
| 5 mg | LL375 | Box of 10 vials | Pre-order |
Form: freeze-dried (lyophilised) powder.
Documents and storage
Every batch ships with the manufacturer's certificate of analysis. Ask for the certificate of the current batch before you order. Safety data sheet: on request. Keep the vial tightly closed, dry and at the labelled temperature; our storage and handling guide explains why.
Ordering for institutions
- Quotations within one working day, valid for 14 days, with lead time and delivery terms on one page.
- Invoices and documents in your institution's name; tell us if your purchase order needs to appear on them.
- Payment in full before dispatch, unless other terms are agreed in writing.
- Every shipment carries the batch number and expiry on the packing list and delivery note.
Who can buy it
Verified research buyers only, with a signed end-use declaration: laboratory research by qualified staff, no use in people or animals, no resale for those uses. We give no dosing or usage advice.
Related: All research-grade products · How to read a certificate of analysis
Questions people ask
- What is the CAS number of LL-37?
154947-66-7 (PubChem).
- Is LL-37 in stock?
Not in UK stock at the moment. You can pre-order it: nothing is charged when you pre-order, and we deliver within 14 days of confirming it.
- Can individuals buy LL-37 from you?
No. We supply verified research buyers only.