API reference
Fluorescein
- CAS number
- 2321-07-5
- Molecular formula
- C20H12O5
- Molecular weight
- 332.3 g/mol
About this molecule
Fluorescein (lactone form) is a xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy. It has a role as a radioopaque medium and a fluorescent dye. It is a polyphenol, a gamma-lactone, a xanthene dye, an oxaspiro compound, an organic heteropentacyclic compound and a member of 2-benzofurans. It is functionally related to a fluorescein (acid form).
Source: ChEBI, via PubChem.
Identifiers
- IUPAC name
- 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
- InChIKey
- GNBHRKFJIUUOQI-UHFFFAOYSA-N
- SMILES
- C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
- PubChem CID
- 16850
Also known as
fluorescein · Solvent Yellow 94 · Resorcinolphthalein · Yellow fluorescein · Fluoresceine · Fluorescein acid · 3,6-Fluorandiol · D&C Yellow No. 7
Related entries in the range
Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.
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