R 665 structure

R 665

TL;DR: R 665 (CAS 135221-03-3) is a chemical compound with molecular formula C17H22I2N4O4 and molecular weight 599.97 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(NE)-N-[2-[3-[3-[1-[(2E)-2-hydroxyiminoethyl]pyridin-1-ium-3-yl]oxypropoxy]pyridin-1-ium-1-yl]ethylidene]hydroxylamine diiodide

Also Known As: R665, R 665, R-665, Trimethylenedioxy-3,3'-bis(N-methylpyridinium-2-aldoxime), Pyridinium, 3,3'-(1,3-propanediylbis(oxy))bis(6-((hydroxyimino)methyl)-1-methyl-, diiodide

CAS: 135221-03-3
Molecular Formula C17H22I2N4O4
Molecular Weight 599.97 g/mol
LogP -4.9625
Topological Polar Surface Area 91.4 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 6
Rotatable Bonds 10
Exact Mass 599.973
Heavy Atoms 27
Complexity 657.3377

Chemical Identifiers

CAS Number 135221-03-3
SMILES C1=CC(=C[N+](=C1)C/C=N/O)OCCCOC2=C[N+](=CC=C2)C/C=N/O.[I-].[I-]

Product Overview

R 665 (CAS 135221-03-3), with molecular formula C17H22I2N4O4 and molecular weight 599.97 g/mol. IUPAC: (NE)-N-[2-[3-[3-[1-[(2E)-2-hydroxyiminoethyl]pyridin-1-ium-3-yl]oxypropoxy]pyridin-1-ium-1-yl]ethylidene]hydroxylamine diiodide.

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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 R 665

XLogP
-4.9625
TPSA (Topological Polar Surface Area)
91.4
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
6
Rotatable Bonds
10
Heavy Atoms
27
Complexity
657.3377
Exact Mass
599.973
Monoisotopic Mass
599.973
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 R 665

The XLogP value of -4.9625 indicates that R 665 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 91.4 Ų falls within the moderate polarity range, balancing permeability and solubility for R 665. Following Lipinski's Rule of Five, R 665 has 2 hydrogen bond donor(s) and 6 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 R 665?

The CAS number of R 665 is 135221-03-3.

What is the molecular formula of R 665?

The molecular formula of R 665 is C17H22I2N4O4.

What is the molecular weight of R 665?

The molecular weight of R 665 is 599.97 g/mol.

Where can I buy R 665?

You can request a quote for R 665 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for R 665?

Yes, KEHONG BIO provides custom synthesis services for R 665 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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