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Catalog ID 6939 / 10 mg

B4F

AKA: Biotin-4-fluorescein
Formula Weight CAS#
C33H32N4O8S 644.70 1032732-74-3
For 25+ Units, Contact us.

B4F [Biotin-4-fluorescein] is a convenient biotinylated fluorescent probe for accurate measurement of avidin and streptavidin and for unlabeled biotin in homogeneous fluorescence assays. It binds to avidin more readily than conventional fluorescein biotin.

Product Size 10 mg
Form Yellow Solid
Absorption (estimated) Wavelength (λmax) 494 ± 3 nm (Buffer pH10)
Fluorescence (estimated) Wavelength (λmax) 524 ± 4 nm (*Buffer pH10)
Storage conditions Refrigerate: Store at 4-8°C (Ref) Protect from moisture (D) Protect from light (L)
MDL#

* Biotin-4-fluorescein

Fluorescent Probes and Related Products:   Fluorescein, Naphthofluorescein and seminaphthofluorescein
Biotin/Desthiobiotin and Related Products:   Fluorescent Probes
Natural Products and Their Fluorescent/Non-Fluorescent Conjugates:   Fluorescent/Non-Fluorescent Conjugates

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 50997 26-Oct-2016

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