Naphthalic anhydride structure

Naphthalic anhydride

TL;DR: Naphthalic anhydride (CAS 81-84-5) is a chemical compound with molecular formula C12H6O3 and molecular weight 198.03 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione

Also Known As: 1,8-Naphthalic anhydride, Naphthalic anhydride, Protect, Benzo[de]isochromene-1,3-dione, Pakarli

CAS: 81-84-5
Molecular Formula C12H6O3
Molecular Weight 198.03 g/mol
LogP 2.3
Topological Polar Surface Area 43.4 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 3
Rotatable Bonds 0
Exact Mass 198.0317
Heavy Atoms 15
Complexity 282.0
Melting Point 273-274 °C
Solubility Slightly sol in acetic acid; very soluble in ether and alcohol.
Flash Point 272 °C
Vapor Pressure 0.00000041 [mmHg]

Chemical Identifiers

CAS Number 81-84-5
SMILES C1=CC2=C3C(=C1)C(=O)OC(=O)C3=CC=C2
InChIKey GRSMWKLPSNHDHA-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 19 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (852 patents) Analytical Reagents (26 patents) Biotechnology (78 patents) Catalysts (15 patents) Coatings & Adhesives (88 patents) +14 more

Product Overview

Naphthalic anhydride (CAS 81-84-5), with molecular formula C12H6O3 and molecular weight 198.03 g/mol. IUPAC: 3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione.

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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.
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Chemical Property Profile of Naphthalic anhydride

XLogP
2.3
TPSA (Topological Polar Surface Area)
43.4
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
15
Complexity
282.0
Exact Mass
198.0317
Monoisotopic Mass
198.0317
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 Naphthalic anhydride

The XLogP value of 2.3 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Naphthalic anhydride. With a topological polar surface area (TPSA) of 43.4 Ų, Naphthalic anhydride exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Naphthalic anhydride has 0 hydrogen bond donor(s) and 3 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 Naphthalic anhydride?

The CAS number of Naphthalic anhydride is 81-84-5.

What is the molecular formula of Naphthalic anhydride?

The molecular formula of Naphthalic anhydride is C12H6O3.

What is the molecular weight of Naphthalic anhydride?

The molecular weight of Naphthalic anhydride is 198.03 g/mol.

Where can I buy Naphthalic anhydride?

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

Does KEHONG BIO offer custom synthesis for Naphthalic anhydride?

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

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