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Chemical structure of QL9

GC30580

QL9

Also known as (2S)-2-[[(2S)-3-carboxy-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2,5-diamino-5-oxopentanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxypropanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]propanoyl]amino]-4-methylpentanoic acid

QL9 (QLSPFPFDL) is a high-affinity alloantigen for the 2C T cell receptor (TCR)

ChemicalCAS159646-83-0MW1063.21FormulaC52H74N10O14
CAS number
159646-83-0
Molecular weight
1063.21
Formula
C52H74N10O14
Solubility
Water ： 33·33 mg/mL (31·35 mM)
InChIKey
LKWGVTVKKKGMDA-JBRKIFEHSA-N
Catalogue number
GC30580
Brand
GLPBIO
Computed properties PubChem CID 446911 · XLogP -1.7 · TPSA 379 Ų · H-bond donors 11
XLogP
-1.7
TPSA
379 Ų
H-bond donors
11
H-bond acceptors
15
Rotatable bonds
29
Heavy atoms
76

SMILES CC(C)C[C@@H](C(=O)N[C@@H](CO)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC2=CC=CC=C2)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CC4=CC=CC=C4)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)O)NC(=O)[C@H](CCC(=O)N)N

Computed descriptors from PubChem (CID 446911), 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
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Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
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Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.