Coumarin 545 structure

Coumarin 545

TL;DR: Coumarin 545 (CAS 85642-11-1) is a chemical compound with molecular formula C22H18N2O2S and molecular weight 374.11 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

5-(1,3-benzothiazol-2-yl)-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-4-one

Also Known As: Coumarin 545, Exciton Coumarin 545, Coumarin 6 BF, Coumarin Impurity 46, COUMARIN 545 200MG

CAS: 85642-11-1
Molecular Formula C22H18N2O2S
Molecular Weight 374.11 g/mol
LogP 4.7685
Topological Polar Surface Area 46.34 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 5
Rotatable Bonds 1
Exact Mass 374.1089
Heavy Atoms 27
Complexity 1235.769

Chemical Identifiers

CAS Number 85642-11-1
SMILES C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C5=NC6=CC=CC=C6S5)CCCN3C1

Product Overview

Coumarin 545 (CAS 85642-11-1), with molecular formula C22H18N2O2S and molecular weight 374.11 g/mol. IUPAC: 5-(1,3-benzothiazol-2-yl)-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-4-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 Coumarin 545

XLogP
4.7685
TPSA (Topological Polar Surface Area)
46.34
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
5
Rotatable Bonds
1
Heavy Atoms
27
Complexity
1235.769
Exact Mass
374.1089
Monoisotopic Mass
374.1089
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 Coumarin 545

The XLogP value of 4.7685 indicates that Coumarin 545 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 46.34 Ų, Coumarin 545 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Coumarin 545 has 0 hydrogen bond donor(s) and 5 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 Coumarin 545?

The CAS number of Coumarin 545 is 85642-11-1.

What is the molecular formula of Coumarin 545?

The molecular formula of Coumarin 545 is C22H18N2O2S.

What is the molecular weight of Coumarin 545?

The molecular weight of Coumarin 545 is 374.11 g/mol.

Where can I buy Coumarin 545?

You can request a quote for Coumarin 545 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Coumarin 545?

Yes, KEHONG BIO provides custom synthesis services for Coumarin 545 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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