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Chemical structure of Polymyxin B1

GC11160

Polymyxin B1

Also known as (6S)-N-[(2S)-4-amino-1-[[(2S,3R)-1-[[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-[(1R)-1-hydroxyethyl]-12-(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]-6-methyloctanamide

bind and kill Gram-negative bacteria

ChemicalCAS4135-11-9MW1203.5FormulaC56H98N16O13
CAS number
4135-11-9
Molecular weight
1203.5
Formula
C56H98N16O13
Solubility
2 mg/ml in PBS (pH 7·2)
InChIKey
WQVJHHACXVLGBL-CTMZAJDNSA-N
Catalogue number
GC11160
Brand
GLPBIO
Computed properties PubChem CID 11228650 · XLogP -2.5 · TPSA 491 Ų · H-bond donors 18
XLogP
-2.5
TPSA
491 Ų
H-bond donors
18
H-bond acceptors
18
Rotatable bonds
29
Heavy atoms
85

SMILES CC[C@H](C)CCCCC(=O)N[C@@H](CCN)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCN)C(=O)N[C@H]1CCNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](NC1=O)CCN)CC2=CC=CC=C2)CC(C)C)CCN)CCN)[C@@H](C)O

Computed descriptors from PubChem (CID 11228650), 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.