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Chemical structure of Polymyxin B1 Isoleucine

GC41386

Polymyxin B1 Isoleucine

Also known as 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-12-[(2S)-butan-2-yl]-3-[(1R)-1-hydroxyethyl]-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

The polymyxins are cationic peptides originally isolated from B

ChemicalCAS80469-10-9MW1203.5FormulaC56H98N16O13
CAS number
80469-10-9
Molecular weight
1203.5
Formula
C56H98N16O13
Solubility
Soluble in DMSO
InChIKey
YAMZKVXJHUGXEM-DCFHCFNESA-N
Catalogue number
GC41386
Brand
GLPBIO
Computed properties PubChem CID 101826989 · 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)[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N1)CC2=CC=CC=C2)CCN)NC(=O)[C@H](CCN)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CCN)NC(=O)CCCCC(C)CC)[C@@H](C)O)CCN)CCN

Computed descriptors from PubChem (CID 101826989), 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.