Fluorescin
TL;DR: Fluorescin (CAS 518-44-5) is a chemical compound with molecular formula C20H14O5 and molecular weight 334.08 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.
2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid
Also Known As: Fluorescin, resorcinolphthalin, Leucofluorescein, Resorcinolphthali, 4fab
| Molecular Formula | C20H14O5 |
|---|---|
| Molecular Weight | 334.08 g/mol |
| LogP | 3.7 |
| Topological Polar Surface Area | 87.0 Ų |
| Hydrogen Bond Donors | 3 |
| Hydrogen Bond Acceptors | 5 |
| Rotatable Bonds | 2 |
| Exact Mass | 334.08414 |
| Heavy Atoms | 25 |
| Complexity | 468.0 |
Chemical Identifiers
| CAS Number | 518-44-5 |
|---|---|
| SMILES | C1=CC=C(C(=C1)C2C3=C(C=C(C=C3)O)OC4=C2C=CC(=C4)O)C(=O)O |
| InChIKey | MURGITYSBWUQTI-UHFFFAOYSA-N |
Patent-Derived Application Labels
Derived from 21 IPC patent classification(s) across the SureChEMBL global patent database.
Product Overview
Fluorescin (CAS 518-44-5), with molecular formula C20H14O5 and molecular weight 334.08 g/mol. IUPAC: 2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid.
Chemical Property Profile of Fluorescin
Property Insights of Fluorescin
The XLogP value of 3.7 indicates that Fluorescin is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 87.0 Ų falls within the moderate polarity range, balancing permeability and solubility for Fluorescin. Following Lipinski's Rule of Five, Fluorescin has 3 hydrogen bond donor(s) and 5 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
Frequently Asked Questions
What is the CAS number of Fluorescin?
The CAS number of Fluorescin is 518-44-5.
What is the molecular formula of Fluorescin?
The molecular formula of Fluorescin is C20H14O5.
What is the molecular weight of Fluorescin?
The molecular weight of Fluorescin is 334.08 g/mol.
Where can I buy Fluorescin?
You can request a quote for Fluorescin directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.
Does KEHONG BIO offer custom synthesis for Fluorescin?
Yes, KEHONG BIO provides custom synthesis services for Fluorescin and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.