Thermo Scientific Chemicals 5(6)-Carboxyfluorescein, mixture of isomers, 97%

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: 72088-94-9
• Molecular Formula: C42H24O14
• Molecular Weight (g/mol): 752.64
• MDL Number: MFCD00151081
• InChI Key: BPVHBBXCESDRKW-UHFFFAOYSA-N
• Synonym: 5 6-fam, 3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid compound with 3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-6-carboxylic acid 1:1, 5-and-6-fam, 5-and-6-carboxyfluorescein, 5-carboxyfluorescein; carboxyfluorescein, 5 6-carboxyfluorescein, dye content 90 %, 5 6-carboxyfluorescein; carboxyfluorescein, 5 6-carboxyfluorescein, bioreagent, suitable for fluorescence hplc, 3,6-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9-xanthene-5-carboxylic acid compound with 3,6-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9-xanthene-6-carboxylic acid 1:1, 4 5-carboxyfluorescein; 3',6'-dihydroxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5 6-carboxylic acid
• PubChem CID: 44119975
• IUPAC Name: 3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid;3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
• SMILES: OC(=O)C1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2.OC(=O)C1=CC2=C(C=C1)C(=O)OC21C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2

• Melting Point: ∼300°C
• Quantity: 250 mg
• Formula Weight: 376.32
• Percent Purity: 97%
• Chemical Name or Material: 5(6)-Carboxyfluorescein, mixture of isomers

Safety and Handling

Hazard Category	H319
Precautionary Statement	P264b-P280i-P305+P351+P338
EINECSNumber	276-331-1
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only