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Chemical structure of Fluorescein

GC30141

Fluorescein

Also known as 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

Fluorescein (Uranine) is widely used as a fluorescent tracer in medicinal and biological applications and tumor infected tissues tracer· Fluorescein (Uranine) is a representative green fluorophore that has been widely used as a scaffold of practically useful green fluorescent probes

ChemicalCAS2321-07-5MW332.31FormulaC20H12O5
CAS number
2321-07-5
Molecular weight
332.31
Formula
C20H12O5
Solubility
DMSO ： 250 mg/mL (752·31 mM)
InChIKey
GNBHRKFJIUUOQI-UHFFFAOYSA-N
Catalogue number
GC30141
Brand
GLPBIO
Computed properties PubChem CID 16850 · XLogP 3.4 · TPSA 76 Ų · H-bond donors 2
XLogP
3.4
TPSA
76 Ų
H-bond donors
2
H-bond acceptors
5
Rotatable bonds
0
Heavy atoms
25

SMILES C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Computed descriptors from PubChem (CID 16850), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.