Thermo Fisher, 119241000, Fluorescein

Fluorescein This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals. CAS: 2321-07-5
IUPAC Name: 3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
Molecular Formula: C20H12O5
InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N
SMILES: OC1=CC=C2C(OC3=CC(O)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1
Appearance (Color): Red-brown to rust brown to brown
Infrared spectrum: Conforms
Specific absorbance A (1%/1cm): >=1800 (490 +/- 5 nm , 0.5% aq. soln. of Na2CO3)
Sulfated ash: =<2 %
Appearance (Form): Powder