5(6)-Carboxyfluorescein 90% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: 5(6)-FAM, 3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthene]-ar-carboxylic acid

M-Clarity™ quality level = MQ100

447293-1G 447293-5G
447293-1GEA 82 GBP
447293-1G 447293-5G
5(6)-Carboxyfluorescein 90% (dye content), Sigma-Aldrich®
5(6)-Carboxyfluorescein
Formula: C₄₂H₂₄O₁₄
MW: 752,63 g/mol
Melting Pt: 275 °C (dec., lit.)
Storage Temperature: Room Temperature
MDL Number: MFCD00151081
CAS Number: 72088-94-9
EINECS: 276-331-1
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Specification Test Results

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength, C=0.005 G/L 0.1N NAOH Approximately 492 nm
Extinction Coefficient Specification: Report Results
Wavelength Approximately 239 nm
Purity (Titration by NAOH) ≥89.5%
Purity (HPLC) ≥89.5%

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