5-Carboxyfluorescein 95%

Supplier: Thermo Scientific Chemicals
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Synonyms: Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-, 5-FAM, 3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid, 5-Carboxyfluorescein hydrate

42581-1000 42581-5000
TS42581-1000EA 107 USD
TS42581-1000 TS42581-5000
5-Carboxyfluorescein 95%
5-Carboxyfluorescein
Formula: C₂₁H₁₂O₇.xH₂O
MW: 376.32 g/mol (anhy)
Storage Temperature: Refrigerator
MDL Number: MFCD00036874
CAS Number: 76823-03-5

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Specification Test Results

Appearance Yellow to orange Powder
Infrared spectrum Conforms
HPLC ≥94 %
NMR (1H-NMR) Consistent with structure
Sulfated ash ≤0.1 %
Solubility (in water) Sparingly soluble
Related substances Passes test
Titration with NaOH 99.5 to 100.5 % (On dried substance)
Chloride (Cl) ≤200 ppm

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