012039
FlAsH-EDT2
Size
£505.00
- SKU:
- 012039
- Molecular Weight:
- 664.5
- Purity:
- ≥96%
- Storage Conditions:
- -20°C
- Supplier:
- United States Biological
- CAS Number:
- 212118-77-9
- Format:
- White to pale orange solid
- Extra Details:
- The Fluorescein Arsenical Hairpin Binder (FlAsH) method is presented for fluorescence labeling of proteins in living cells. Labeling proteins with the membrane-permeant fluorogenic biarsenical dye fluorescein arsenical hairpin binder-ethanedithiol (FlAsH-EDT2). The membrane-permeant fluorogenic biarsenicals FlAsH-EDT2 and ReAsH-EDT2 can be prepared in good yields by a straightforward two-step procedure from the inexpensive precursor dyes fluorescein and resorufin. Synonyms: 4',5'-Bis(1,3,2-dithiarsolan-2-yl)-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; FlAsH; Fluorescein Arsenical Helix Binder; Lumio Green CAS No: 212118-77-9 Molecular Formula: C24H18As2O5S4 Molecular Weight: 664.5 Purity: ≥96% Appearance: White to pale orange solid Melting Point: >173ºC (dec) Solubility: Chloroform (Slightly, Heated), Methanol (Very Slightly, Heated) Method for Determining Identity: Proton NMR (CDCl3) Spectroscopic and Mass Spectrometric Analysis TLC Conditions: SiO2; Ethyl Acetate:Hexanes = 1:1; Visualized with UV and AMCS; SIngle Spot, Rf=0.50 Elemental Analysis: Calculated: %C: 43.38, %H: 2.73 Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Light and temperature sensitive. Store under inert atmosphere.
- Shipping Conditions:
- Blue Ice