Colistin nonapeptide structure

Colistin nonapeptide

TL;DR: Colistin nonapeptide (CAS 37481-35-9) is a chemical compound with molecular formula C40H76N14O11 and molecular weight 928.58 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2-amino-N-[4-amino-1-oxo-1-[[6,9,18-tris(2-aminoethyl)-3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]-3-hydroxybutanamide

Also Known As: Colistin nonapeptide, 6H-Pyrrolo[2,3-g]-1,2-benzisoxazole(9CI), 2-amino-N-[4-amino-1-oxo-1-[[6,9,18-tris(2-aminoethyl)-3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]-3-hydroxybutanamide, Polymyxin E1, 1-de(N2-(6-methyl-1-oxooctyl)-L-2,4-diaminobutanoic acid)-, (S)-, n-(4-amino-1-oxo-1-{[6,9,18-tris(2-aminoethyl)-3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl]amino}butan-2-yl)threoninamide

CAS: 37481-35-9
Molecular Formula C40H76N14O11
Molecular Weight 928.58 g/mol
LogP -5.1
Topological Polar Surface Area 432.0 Ų
Hydrogen Bond Donors 16
Hydrogen Bond Acceptors 16
Rotatable Bonds 18
Exact Mass 928.5818
Heavy Atoms 65
Complexity 1610.0

Chemical Identifiers

CAS Number 37481-35-9
SMILES CC(C)CC1C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NCCC(C(=O)NC(C(=O)N1)CCN)NC(=O)C(CCN)NC(=O)C(C(C)O)N)C(C)O)CCN)CCN)CC(C)C
InChIKey WNPBEUWOUYCJJR-UHFFFAOYSA-N

Product Overview

Colistin nonapeptide (CAS 37481-35-9), with molecular formula C40H76N14O11 and molecular weight 928.58 g/mol. IUPAC: 2-amino-N-[4-amino-1-oxo-1-[[6,9,18-tris(2-aminoethyl)-3-(1-hydroxyethyl)-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]-3-hydroxybutanamide.

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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 Colistin nonapeptide

XLogP
-5.1
TPSA (Topological Polar Surface Area)
432.0
Hydrogen Bond Donors
16
Hydrogen Bond Acceptors
16
Rotatable Bonds
18
Heavy Atoms
65
Complexity
1610.0
Exact Mass
928.5818
Monoisotopic Mass
928.5818
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 Colistin nonapeptide

The XLogP value of -5.1 indicates that Colistin nonapeptide is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 432.0 Ų indicates high polarity, suggesting Colistin nonapeptide may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Colistin nonapeptide has 16 hydrogen bond donor(s) and 16 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 Colistin nonapeptide?

The CAS number of Colistin nonapeptide is 37481-35-9.

What is the molecular formula of Colistin nonapeptide?

The molecular formula of Colistin nonapeptide is C40H76N14O11.

What is the molecular weight of Colistin nonapeptide?

The molecular weight of Colistin nonapeptide is 928.58 g/mol.

Where can I buy Colistin nonapeptide?

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

Does KEHONG BIO offer custom synthesis for Colistin nonapeptide?

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

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