AF 430 carboxylic acid

Cat. # Quantity Price Lead time
10890 1 mg $110 in stock
20890 5 mg $165 in stock
40890 25 mg $380 in stock
50890 50 mg $695 in stock
60890 100 mg $1190 in stock
Found better price? Let us know and we will propose the way forward!

AF 430's excitation maximum is at 430 nm, emission maximum is at 542 nm, and Stokes shift is 112 nm. AF 430 exhibits high photostability and pH-insensitive fluorescence. The dye can be excited by 405 nm violet laser or 445 nm laser.

AF 430 carboxylic acid is a non-reactive form of AF 430 dye that can be used for the analysis of labeled samples as a reference standard in procedures where AF 430 dye conjugates are involved.

Absorption and emission spectra of AF 430

Absorption and emission spectra of AF 430

Customers also purchased with this product

BDP 581/591 carboxylic acid

BDP 581/591 is a multi purpose fluorophore, that can also be used to probe reactive oxygen species (ROS). This is a carboxylic acid derivative with a free COOH group.

AF 430 alkyne

Alkyne derivative of yellow-green fluorescent dye AF 430 for copper-catalyzed click reaction with azides.

AF 532 carboxylic acid

Non-reactive form of AF 532 fluorescent dye with a free carboxyl group.

General properties

Appearance: yellow solid
Molecular weight: 541.58
Molecular formula: C22H23NF3KO7S
Solubility: good in DMF, DMSO, water
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 430
ε, L⋅mol−1⋅cm−1: 15955
Emission maximum, nm: 542
Fluorescence quantum yield: 0.23
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.