Ammonium fluorescein structure

Ammonium fluorescein

TL;DR: Ammonium fluorescein (CAS 43043-76-1) is a chemical compound with molecular formula C20H15NO5 and molecular weight 349.10 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

azanium 6'-hydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-olate

Also Known As: Ammonium fluorescein, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-, ammonium salt, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-, ammonium salt (1:?), azanium 6'-hydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-olate, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, ammonium salt

CAS: 43043-76-1
Molecular Formula C20H15NO5
Molecular Weight 349.10 g/mol
LogP 3.41
Topological Polar Surface Area 79.8 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 5
Rotatable Bonds 0
Exact Mass 349.09503
Heavy Atoms 26
Complexity 550.0

Chemical Identifiers

CAS Number 43043-76-1
SMILES C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)[O-].[NH4+]
InChIKey FBOXXXRZJFWBPD-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 14 IPC patent classification(s) across the SureChEMBL global patent database.

Analytical Reagents (287 patents) Biotechnology (126 patents) Catalysts (1 patents) Coatings & Adhesives (1 patents) Dyes & Pigments (1 patents) +9 more

Product Overview

Ammonium fluorescein (CAS 43043-76-1), with molecular formula C20H15NO5 and molecular weight 349.10 g/mol. IUPAC: azanium 6'-hydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-olate.

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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 Ammonium fluorescein

XLogP
3.41
TPSA (Topological Polar Surface Area)
79.8
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
5
Rotatable Bonds
0
Heavy Atoms
26
Complexity
550.0
Exact Mass
349.09503
Monoisotopic Mass
349.09503
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 Ammonium fluorescein

The XLogP value of 3.41 indicates that Ammonium fluorescein is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 79.8 Ų falls within the moderate polarity range, balancing permeability and solubility for Ammonium fluorescein. Following Lipinski's Rule of Five, Ammonium fluorescein has 2 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 Ammonium fluorescein?

The CAS number of Ammonium fluorescein is 43043-76-1.

What is the molecular formula of Ammonium fluorescein?

The molecular formula of Ammonium fluorescein is C20H15NO5.

What is the molecular weight of Ammonium fluorescein?

The molecular weight of Ammonium fluorescein is 349.10 g/mol.

Where can I buy Ammonium fluorescein?

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

Does KEHONG BIO offer custom synthesis for Ammonium fluorescein?

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

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