I 278 structure

I 278

TL;DR: I 278 (CAS 113739-44-9) is a chemical compound with molecular formula C9H13ClN6O5 and molecular weight 320.06 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

1-(2-chloroethyl)-3-[2-hydroxy-3-(2-nitroimidazol-1-yl)propyl]-1-nitrosourea

Also Known As: I-278, KST-1B0133, I 278, 1-(2-chloroethyl)-3-[2-hydroxy-3-(2-nitroimidazol-1-yl)propyl]-1-nitrosourea, 1-(2-chloroethyl)-3-[2-hydroxy-3-(2-nitro-1h-imidazol-1-yl)propyl]-1-nitrosourea

CAS: 113739-44-9
Molecular Formula C9H13ClN6O5
Molecular Weight 320.06 g/mol
LogP -0.3
Topological Polar Surface Area 146.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 7
Rotatable Bonds 6
Exact Mass 320.0636
Heavy Atoms 21
Complexity 380.0

Chemical Identifiers

CAS Number 113739-44-9
SMILES C1=CN(C(=N1)[N+](=O)[O-])CC(CNC(=O)N(CCCl)N=O)O
InChIKey ZTORIAQXOHCLRD-UHFFFAOYSA-N

Product Overview

I 278 (CAS 113739-44-9), with molecular formula C9H13ClN6O5 and molecular weight 320.06 g/mol. IUPAC: 1-(2-chloroethyl)-3-[2-hydroxy-3-(2-nitroimidazol-1-yl)propyl]-1-nitrosourea.

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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 I 278

XLogP
-0.3
TPSA (Topological Polar Surface Area)
146.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
7
Rotatable Bonds
6
Heavy Atoms
21
Complexity
380.0
Exact Mass
320.0636
Monoisotopic Mass
320.0636
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 I 278

The XLogP value of -0.3 indicates that I 278 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 146.0 Ų indicates high polarity, suggesting I 278 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, I 278 has 2 hydrogen bond donor(s) and 7 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 I 278?

The CAS number of I 278 is 113739-44-9.

What is the molecular formula of I 278?

The molecular formula of I 278 is C9H13ClN6O5.

What is the molecular weight of I 278?

The molecular weight of I 278 is 320.06 g/mol.

Where can I buy I 278?

You can request a quote for I 278 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for I 278?

Yes, KEHONG BIO provides custom synthesis services for I 278 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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