AF430 maleimide

Cat. # Quantity Price Lead time
10880 1 mg $110.00 in stock
20880 5 mg $290.00 in stock
40880 25 mg $690.00 in stock
50880 50 mg $1270.00 in stock
60880 100 mg $1990.00 in stock

AF430 is a hydrophilic dye of coumarin nature, structurally identical to Alexa Fluor® 430. The dye is used in flow cytometry.

This maleimide derivative is reactive against thiol groups. Therefore, it allows to label many proteins, including those residing on cell surface.

Absorption and emission spectra of AF430

Absorption and emission spectra of AF430

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AF430 NHS ester

AF430 is a hydrophilic coumarin dye with the emission in green-yellow range. The NHS ester is used for the labeling of amine groups.

TAMRA maleimide, 5-isomer

TAMRA is a well known rhodamine dye. It is available as two isomers, 5-, and 6-, which have almost identical properties, but need to be separated. This is a thiol-reactive maleimide derivative of 5-TAMRA.

Sulfo-Cyanine5 NHS ester

Water-soluble Cyanine 5 succinimide ester.

General properties

Appearance: yellow solid
Mass spec M+ increment: 625.2
Molecular weight: 726.8
Molecular formula: C34H45N4F3O8S
IUPAC name: (8-{6-[2-(2,5-Dioxo-1H-pyrrol-1-yl)ethylamino]-6-oxohexyl}-7,7-dimethyl-2-oxo-4-(trifluoromethyl)-1-oxa-8-aza-5,6,7,8-tetrahydroanthr-5-yl)methanesulfonic acid
Solubility: soluble in water, polar organic solvents (DMF, DMSO)
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 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
CF260: 0.06
CF280: 0.06
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