Polymyxin B1 structure

Polymyxin B1

TL;DR: Polymyxin B1 (CAS 4135-11-9) is a chemical compound with molecular formula C56H98N16O13 and molecular weight 1202.75 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(6R)-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

Also Known As: Polymyxin B1, Polymyxin B(1), Aerosporin, polymyxin b, polymycin B

CAS: 4135-11-9
Molecular Formula C56H98N16O13
Molecular Weight 1202.75 g/mol
LogP -2.5
Topological Polar Surface Area 491.0 Ų
Hydrogen Bond Donors 18
Hydrogen Bond Acceptors 18
Rotatable Bonds 29
Exact Mass 1202.7499
Heavy Atoms 85
Complexity 2150.0

Chemical Identifiers

CAS Number 4135-11-9
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
InChIKey WQVJHHACXVLGBL-GOVYWFKWSA-N

Patent-Derived Application Labels

Derived from 10 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (1 patents) Analytical Reagents (3 patents) Biotechnology (5 patents) Catalysts (2 patents) Food Additives (11 patents) +5 more

Product Overview

Polymyxin B1 (CAS 4135-11-9), with molecular formula C56H98N16O13 and molecular weight 1202.75 g/mol. IUPAC: (6R)-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.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of Polymyxin B1

XLogP
-2.5
TPSA (Topological Polar Surface Area)
491.0
Hydrogen Bond Donors
18
Hydrogen Bond Acceptors
18
Rotatable Bonds
29
Heavy Atoms
85
Complexity
2150.0
Exact Mass
1202.7499
Monoisotopic Mass
1202.7499
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Polymyxin B1

The XLogP value of -2.5 indicates that Polymyxin B1 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 491.0 Ų indicates high polarity, suggesting Polymyxin B1 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Polymyxin B1 has 18 hydrogen bond donor(s) and 18 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Polymyxin B1?

The CAS number of Polymyxin B1 is 4135-11-9.

What is the molecular formula of Polymyxin B1?

The molecular formula of Polymyxin B1 is C56H98N16O13.

What is the molecular weight of Polymyxin B1?

The molecular weight of Polymyxin B1 is 1202.75 g/mol.

Where can I buy Polymyxin B1?

You can request a quote for Polymyxin B1 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Polymyxin B1?

Yes, KEHONG BIO provides custom synthesis services for Polymyxin B1 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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