ATTO 647

Basic Information

ATTO 647
906664-68-4
593.00g / Mol
Carboxylic acid; also available as NHS-Ester, maleimide and coupled to biotin. High thermal and photostability, only little triplet formation. Stable under physiological pH-values and in buffers up to pH 8.5; degrades at higher pH. Very hydrophilic and highly water soluble.

Overview

366 nm, 312 nm, 644 nm
670 nm
water
-

Absorption

366 nm, 312 nm, 644 nm
-

Emission

670 nm
yes
-

More parameters

water
-

spectra uploaded by Torsten Mayr

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Quantum Yields

20%
Reference Standard
water

Lifetimes

2.30 ns
Phase-modulation Fluorimetry
water
17.00 ns
Phase-modulation Fluorimetry
Ethanol

Availabilities

Commercial
ATTO-TEC GmbH
http://www.atto-tec.com

Applications

Marker for biological molecule