Pechmann's dye structure

Pechmann's dye

TL;DR: Pechmann's dye (CAS 6287-65-6) is a chemical compound with molecular formula C20H12O4 and molecular weight 316.07 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(5E)-5-(2-oxo-5-phenylfuran-3-ylidene)-3-phenylfuran-2-one

Also Known As: Pechmann's dye, (5E)-5-(2-oxo-5-phenylfuran-3-ylidene)-3-phenylfuran-2-one, (3E)-3-(5-Oxo-4-phenylfuran-2(5H)-ylidene)-5-phenylfuran-2(3H)-one

CAS: 6287-65-6
Molecular Formula C20H12O4
Molecular Weight 316.07 g/mol
LogP 3.4788
Topological Polar Surface Area 52.6 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 316.07355
Heavy Atoms 24
Complexity 918.6259

Chemical Identifiers

CAS Number 6287-65-6
SMILES C1=CC=C(C=C1)C2=C/C(=C\3/C=C(OC3=O)C4=CC=CC=C4)/OC2=O

Product Overview

Pechmann's dye (CAS 6287-65-6), with molecular formula C20H12O4 and molecular weight 316.07 g/mol. IUPAC: (5E)-5-(2-oxo-5-phenylfuran-3-ylidene)-3-phenylfuran-2-one.

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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 Pechmann's dye

XLogP
3.4788
TPSA (Topological Polar Surface Area)
52.6
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
24
Complexity
918.6259
Exact Mass
316.07355
Monoisotopic Mass
316.07355
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 Pechmann's dye

The XLogP value of 3.4788 indicates that Pechmann's dye is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 52.6 Ų, Pechmann's dye exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Pechmann's dye has 0 hydrogen bond donor(s) and 4 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 Pechmann's dye?

The CAS number of Pechmann's dye is 6287-65-6.

What is the molecular formula of Pechmann's dye?

The molecular formula of Pechmann's dye is C20H12O4.

What is the molecular weight of Pechmann's dye?

The molecular weight of Pechmann's dye is 316.07 g/mol.

Where can I buy Pechmann's dye?

You can request a quote for Pechmann's dye directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pechmann's dye?

Yes, KEHONG BIO provides custom synthesis services for Pechmann's dye and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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