ATTO 488

ATTO 488 is a hydrophilic rhodamine-based fluorescent dye with strong absorption and high fluorescence quantum yield. ATTO 488 is suitable for flow cytometry (FACS), fluorescence in situ hybridization (FISH) and most other labeling uses (Ex/Em: 500/520 nm) [1][2].

Product Specifications

CAS Number

[923585-42-6]

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/atto-488.html

Purity

99.00

Solubility

10 mM in DMSO

Smiles

O=C(CCCN(C)C(C1=C(C2=C(C=CC(N)=C3S(=O)(O)=O)C3=[O+]C4=C2C=CC(N)=C4S(=O)(O)=O)C=CC=C1)=O)O.O=Cl(=O)([O-])=O

Molecular Formula

C25H24ClN3O14S2

Molecular Weight

690.05

Precautions

H302, H315, H319, H335

References & Citations

[1]Konrad A, et al. Revealing the radiative and non-radiative relaxation rates of the fluorescent dye Atto488 in a λ/2 Fabry-Pérot-resonator by spectral and time resolved measurements. Nanoscale. 2016 Aug 14;8 (30) :14541-7.|[2]Elkurdi A, et al. Time-resolved fluorescence anisotropy with Atto 488-labeled phytochrome Agp1 from Agrobacterium fabrum. Photochem Photobiol. 2024 May-Jun;100 (3) :561-572.