FlAsH-EDT2

FlAsH-EDT2 is a protein labeling reagent. FlAsH-EDT2 binds to Cys4 with high affinity and emits fluorescence. FlAsH-EDT2 can cross the cell membrane and enter the interior of the cell. FlAsH-EDT2 can only be used for labeling proteins with high concentration[1][2].

Product Specifications

CAS Number

[212118-77-9]

UNSPSC

12171500

Hazard Statement

H302, H315, H319, H335

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/flash-edt2.html

Purity

99.0

Solubility

DMSO : 25 mg/mL (ultrasonic)

Smiles

O=C1OC2(C3=C(OC4=C2C=CC(O)=C4[As]5SCCS5)C([As]6SCCS6)=C(O)C=C3)C7=C1C=CC=C7

Molecular Formula

C24H18As2O5S4

Molecular Weight

664.50

Precautions

H302, H315, H319, H335

References & Citations

[1]Stroffekova K, et al. The protein-labeling reagent FLASH-EDT2 binds not only to CCXXCC motifs but also non-specifically to endogenous cysteine-rich proteins. Pflugers Arch. 2001 Sep;442 (6) :859-66.|[2]Adams SR, et al. Preparation of the membrane-permeant biarsenicals FlAsH-EDT2 and ReAsH-EDT2 for fluorescent labeling of tetracysteine-tagged proteins. Nat Protoc. 2008;3 (9) :1527-34.