API
AY-0366-003
Fluorescein Disodium
C20H10Na2O5
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Active ingredient reference standard
Fluorescein
Material overview
Fluorescein (AY-0366-001) — active ingredient reference standard. CAS 2321-07-5, formula C20H12O5, molecular weight 332.30 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0366-001
- CAS number
- 2321-07-5
- Molecular formula
- C20H12O5
- Molecular weight
- 332.30 g/mol
- Category
- Active ingredient reference standard
- Chemical name
- 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
- Synonyms
- Resorcinolphthalein; Spiro[isobenzofuran-1(3H),9`-[9H]xanthen]-3-one,3`,6`-dihydroxy; 3`,6`-Dihydroxyspiro[isobenzofuran-1(3H),9`-[9H]xanthen]-3-one; 3,6-Dihydroxyspiro[xanthene-9,3`-phthalide]; 3`,6`-Dihydroxyfluoran; 3`,6`-Dihydroxyspiro[2-benzofuran-3,9`-xanthene]-1-one; 3`,6`-Fluorandiol; 9-(o-Carboxyphenyl)-6-hydroxy-3-isoxanthenone; 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-; D&C Yellow 7; D&C Yellow No. 7; Japan Yellow No. 201
- SMILES
- C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
- Appearance
- Red Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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