Coumarin 521 structure

Coumarin 521

TL;DR: Coumarin 521 (CAS 55804-67-6) is a chemical compound with molecular formula C17H17NO3 and molecular weight 283.12 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

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

Also Known As: Coumarin 334, Coumarin334, Coumarin 521, acetyl[?]one, coumarin C334

CAS: 55804-67-6
Molecular Formula C17H17NO3
Molecular Weight 283.12 g/mol
LogP 2.7
Topological Polar Surface Area 46.6 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 1
Exact Mass 283.12085
Heavy Atoms 21
Complexity 512.0

Chemical Identifiers

CAS Number 55804-67-6
SMILES CC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3
InChIKey JBPCDMSEJVCNGV-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Pharmaceutical Intermediates (2 patents) Specialty Chemicals (1 patents)

Product Overview

Coumarin 521 (CAS 55804-67-6), with molecular formula C17H17NO3 and molecular weight 283.12 g/mol. IUPAC: 5-acetyl-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 521

XLogP
2.7
TPSA (Topological Polar Surface Area)
46.6
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
1
Heavy Atoms
21
Complexity
512.0
Exact Mass
283.12085
Monoisotopic Mass
283.12085
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 521

The XLogP value of 2.7 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Coumarin 521. With a topological polar surface area (TPSA) of 46.6 Ų, Coumarin 521 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Coumarin 521 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 Coumarin 521?

The CAS number of Coumarin 521 is 55804-67-6.

What is the molecular formula of Coumarin 521?

The molecular formula of Coumarin 521 is C17H17NO3.

What is the molecular weight of Coumarin 521?

The molecular weight of Coumarin 521 is 283.12 g/mol.

Where can I buy Coumarin 521?

You can request a quote for Coumarin 521 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Coumarin 521?

Yes, KEHONG BIO provides custom synthesis services for Coumarin 521 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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