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4',5'-Dibromofluorescein, ca. 95% dye content
4',5'-Dibromofluorescein, ca. 95% dye content
4',5'-Dibromofluorescein, ca. 95% dye content
Thermo Scientific Chemicals

4',5'-Dibromofluorescein, ca. 95% dye content

CAS: 596-03-2 | C20H10Br2O5 | 490.103 g/mol
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Catalog NumberQuantity
A18226.30
also known as A18226-30
250 g
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Catalog number A18226.30
also known as A18226-30
Price (CNY)
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Quantity:
250 g
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Chemical Identifiers
CAS596-03-2
IUPAC Name4',5'-dibromo-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
Molecular FormulaC20H10Br2O5
InChI KeyZDTNHRWWURISAA-UHFFFAOYSA-N
SMILESOC1=CC=C2C(OC3=C(Br)C(O)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1Br
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SpecificationsSpecification SheetSpecification Sheet
FormPowder
Appearance (Color)Orange
Assay (Dye)>90.0% (by aqueous Acid-base titration)
CommentContains mono-, tri- and tetrabromofluorescein, average composition is dibromo.
CommentMelting point varies with balance of mono-, tri- and tetrabromo- forms.
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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.
RUO – Research Use Only