2H-Pyrano(4,3,2-de)-1-benzopyran structure

2H-Pyrano(4,3,2-de)-1-benzopyran

TL;DR: 2H-Pyrano(4,3,2-de)-1-benzopyran (CAS 203-98-5) is a chemical compound with molecular formula C11H8O2 and molecular weight 172.05 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2,8-dioxatricyclo[7.3.1.05,13]trideca-1(12),3,5,9(13),10-pentaene

Also Known As: 2H-Pyrano(4,3,2-de)-1-benzopyran, 2h-pyrano[4,3,2-de]chromene, 2H-Pyrano[4,3,2-de][1]benzopyran, 1,3,4,6,7,9,9b-Heptaazaphenalene, RefChem:268954

CAS: 203-98-5
Molecular Formula C11H8O2
Molecular Weight 172.05 g/mol
LogP 2.3685
Topological Polar Surface Area 18.46 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 2
Rotatable Bonds 0
Exact Mass 172.05243
Heavy Atoms 13
Complexity 416.0985

Chemical Identifiers

CAS Number 203-98-5
SMILES C1C=C2C=COC3=CC=CC(=C23)O1

Product Overview

2H-Pyrano(4,3,2-de)-1-benzopyran (CAS 203-98-5), with molecular formula C11H8O2 and molecular weight 172.05 g/mol. IUPAC: 2,8-dioxatricyclo[7.3.1.05,13]trideca-1(12),3,5,9(13),10-pentaene.

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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 2H-Pyrano(4,3,2-de)-1-benzopyran

XLogP
2.3685
TPSA (Topological Polar Surface Area)
18.46
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
13
Complexity
416.0985
Exact Mass
172.05243
Monoisotopic Mass
172.05243
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 2H-Pyrano(4,3,2-de)-1-benzopyran

The XLogP value of 2.3685 suggests moderate lipophilicity, balancing water solubility and membrane permeability for 2H-Pyrano(4,3,2-de)-1-benzopyran. With a topological polar surface area (TPSA) of 18.46 Ų, 2H-Pyrano(4,3,2-de)-1-benzopyran exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 2H-Pyrano(4,3,2-de)-1-benzopyran has 0 hydrogen bond donor(s) and 2 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 2H-Pyrano(4,3,2-de)-1-benzopyran?

The CAS number of 2H-Pyrano(4,3,2-de)-1-benzopyran is 203-98-5.

What is the molecular formula of 2H-Pyrano(4,3,2-de)-1-benzopyran?

The molecular formula of 2H-Pyrano(4,3,2-de)-1-benzopyran is C11H8O2.

What is the molecular weight of 2H-Pyrano(4,3,2-de)-1-benzopyran?

The molecular weight of 2H-Pyrano(4,3,2-de)-1-benzopyran is 172.05 g/mol.

Where can I buy 2H-Pyrano(4,3,2-de)-1-benzopyran?

You can request a quote for 2H-Pyrano(4,3,2-de)-1-benzopyran directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 2H-Pyrano(4,3,2-de)-1-benzopyran?

Yes, KEHONG BIO provides custom synthesis services for 2H-Pyrano(4,3,2-de)-1-benzopyran and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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