5-Carboxyfluorescein, single isomer, 97%, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 76823-03-5
• Molecular Formula: C21H12O7
• Molecular Weight (g/mol): 376.32
• MDL Number: MFCD00036874
• InChI Key: NJYVEMPWNAYQQN-UHFFFAOYSA-N
• Synonym: 5-carboxyfluorescein, 5-fam, 4-carboxyfluorescein, 4 5-carboxyfluorescein, 3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid, 3',6'-dihydroxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid, spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid, 3',6-dihydroxy-3-oxo, bidd:gt0758, 5-carboxy fluorescein; 5-fam
• PubChem CID: 123755
• ChEBI: CHEBI:51617
• IUPAC Name: 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
• SMILES: OC(=O)C1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12

• Color: Orange
• Quantity: 250 mg
• Beilstein: 57037
• Formula Weight: 376.32
• Percent Purity: 97%
• Physical Form: Solid
• Chemical Name or Material: 5-Carboxyfluorescein, Single isomer

Safety and Handling

Hazard Category	H319-H335
Hazard Statement	GHS H Statement H319 Causes serious eye irritation.
Precautionary Statement	P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c
TSCA	No
storageNote1	2° to 8°C
Recommended Storage	Keep cold

SDS

RUO – Research Use Only