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Biotin-4-fluorescein

154.00

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Catalog #: 90062.

Product Description

Biotin-4-fluorescein (N-(5-aminopentyl)biotinamide, trifluoroacetic acid salt) has been reported to be a superior fluorescent biotin derivative for accurate measurement of avidin and streptavidin in crude biological samples. Binding of biotin to avidin and streptavidin is high affinity, fast and noncooperative.

  • λExEm = 494/523 nm
  • Yellow solid soluble in DMSO, or pH>7 buffers
  • Store at -20°C and protect from light
  • C33H32N4O8S
  • MW: 644.7

1. Biochim Biophys Acta 1427, 33 (1999).
2. Biochim Biophys Acta 1427, 44 (1999).

MSDS (PDF): MSDS 90062

10 mg

Shipment Method: Shipping and handling methods will be assessed and calculated at time of shipment based upon item(s) storage temperature conditions.

Expedited shipment may be requested at time of checkout.

Please note that products with recommended storage at 4°C or -20°C may ship at ambient temperature. This will not affect product performance. When you receive the product, place it under the recommended storage conditions.

More information about product handling and shelf life