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Chemical structure of FSL-1

GC18761

FSL-1

Also known as (3S)-4-[(2S)-2-[[(2S)-6-amino-1-[[(2S)-1-[(2S)-2-[[(2S)-6-amino-1-[[(2S)-1-[[(1S)-1-carboxy-2-phenylethyl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-[[2-[[(2R)-2-amino-3-[2,3-di(hexadecanoyloxy)propylsulfanyl]propanoyl]amino]acetyl]amino]-4-oxobutanoic acid

FSL-1 is a synthetic lipopeptide agonist of toll-like receptor 2 (TLR2) and TLR6 heterodimers (TLR2/TLR6)

ChemicalCAS322455-70-9MW1666.2FormulaC84H140N14O18S
CAS number
322455-70-9
Molecular weight
1666.2
Formula
C84H140N14O18S
Solubility
Soluble in DMSO
InChIKey
VJJLLNHELGKSNA-YWKNMTRCSA-N
Catalogue number
GC18761
Brand
GLPBIO
Computed properties PubChem CID 87858248 · XLogP 6.4 · TPSA 524 Ų · H-bond donors 14
XLogP
6.4
TPSA
524 Ų
H-bond donors
14
H-bond acceptors
23
Rotatable bonds
69
Heavy atoms
117

SMILES CCCCCCCCCCCCCCCC(=O)OCC(CSC[C@@H](C(=O)NCC(=O)N[C@@H](CC(=O)O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC2=CN=CN2)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC4=CC=CC=C4)C(=O)O)N)OC(=O)CCCCCCCCCCCCCCC

Computed descriptors from PubChem (CID 87858248), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.