CAS 3301-79-9|6-Carboxyfluorescein

Introduction:Basic information about CAS 3301-79-9|6-Carboxyfluorescein, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common Name6-Carboxyfluorescein
CAS Number3301-79-9Molecular Weight376.316
Density1.7±0.1 g/cm3Boiling Point736.4±60.0 °C at 760 mmHg
Molecular FormulaC21H12O7Melting Point>300 °C(lit.)
MSDSChineseUSAFlash Point271.0±26.4 °C

Names

Name6-carboxyfluorescein
SynonymMore Synonyms

6-Carboxyfluorescein BiologicalActivity

DescriptionThe single isomer, 6-FAM, contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid. Fluorescein is the most common fluorescent derivatization reagent for labeling biomolecules. In addition to its relatively high absorptivity, excellent fluorescence quantum yield, and good water solubility, fluorescein has an excitation maximum that closely matches the 488 nm spectral line of the argon-ion laser.
Related CatalogSignaling Pathways >>Others >>OthersResearch Areas >>OthersDye Reagents

Chemical & Physical Properties

Density1.7±0.1 g/cm3
Boiling Point736.4±60.0 °C at 760 mmHg
Melting Point>300 °C(lit.)
Molecular FormulaC21H12O7
Molecular Weight376.316
Flash Point271.0±26.4 °C
Exact Mass376.058289
PSA113.29000
LogP2.66
Vapour Pressure0.0±2.5 mmHg at 25°C
Index of Refraction1.816
InChIKeyBZTDTCNHAFUJOG-UHFFFAOYSA-N
SMILESO=C(O)c1ccc2c(c1)C1(OC2=O)c2ccc(O)cc2Oc2cc(O)ccc21
Storage condition2-8°C
Water SolubilityDMSO: soluble

Safety Information

Personal Protective Equipmentdust mask type N95 (US);Eyeshields;Gloves
Hazard CodesXi: Irritant;
Risk PhrasesR36/37/38
Safety PhrasesS26-S36/37
RIDADRNONH for all modes of transport
WGK Germany3
HS Code2915900090

Customs

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

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Synonyms

6-carboxy-fluorescein
6-Carboxyfluorescein
3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylic acid
Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-6-carboxylic acid, 3',6'-dihydroxy-3-oxo-
6-FAM
6-FAM Hydrate
Carboxyfluorescein
MFCD00036873
6-FAM,6-CF
6-FAM FLUOS
EINECS 276-331-1
6-FAM,FLUOS
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