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Fluorescein

Catalog Number DYE-INT-0212
CAS Number 2321-07-5
Structure
Synonyms 3',6'-Dihydroxy-fluora
IUPAC Name 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular Weight 332.31 g/mol
Molecular Formula C20H12O5
InChI InChI=1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H
InChI Key GNBHRKFJIUUOQI-UHFFFAOYSA-N
Boiling Point 429.5°C
Melting Point 320 °C
Purity 95%
Density 1.27 g/ml
Appearance Powder
Isomeric SMILES C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

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