5-Carboxyfluorescein - CAS 76823-03-5

Catalog: BB035709
Product Name: 5-Carboxyfluorescein
CAS: 76823-03-5
Synonyms: 4-carboxyfluorescein; 5-FAM; 3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
5-Carboxyfluorescein
IUPAC Name:3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
Description:5-Carboxyfluorescein is a derivative of fluorescein that can be used to label biomolecules through interacting with primary amines.
Molecular Weight:376.32
Molecular Formula:C21H12O7
Canonical SMILES:C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
InChI:InChI=1S/C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21/h1-9,22-23H,(H,24,25)
InChI Key:NJYVEMPWNAYQQN-UHFFFAOYSA-N
Boiling Point:725.2±60.0 ℃ (Predicted)
Melting Point:368-372 ℃
Purity:≥ 95 %
Density:1.73±0.1 g/cm3 (Predicted)
Solubility:Soluble in DMF; Slightly soluble in DMSO, Methanol
Appearance:Yellow solid
Storage:-20 ℃
MDL:MFCD00036874
Emission:518 nm
Excitation:492 nm
LogP:3.36400

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