6-Carboxyfluorescein - 95%, high purity , CAS No.3301-79-9

Item Number

C105327

• Synonyms: 6-Carboxyfluorescein | 3301-79-9 | 6-FAM | MFCD00036873 | JHJ853P6SM | 3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid | CHEBI:39073 | 3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid | Spiro[isobenzofuran-1(3H),9'-[9
• Specifications & Purity: ≥95%
• Biochemical and Physiological Mechanisms: Amine-reactive fluorescent label. 5-FAM isomer. 6-CFDA and 6-CFDA N -succinimidyl ester hydrolytic product. Polar tracer. Covalently labels peptides and proteins. Deprotonates below pH 7 resulting in reduced fluoresc
• Storage Temp: Protected from light,Store at -20°C
• Shipped In: Ice chest + Ice pads
• Note: Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

Product Description

6-Carboxyfluorescein, or 6-FAM is a fluorescent dye primarily utilized in labeling nucleotides and nucleic acids. Also useful as a starting material for the synthesis of other fluorescein-derived reagents.