QXY21 NHS ester [equivalent to QSY-21 NHS ester]

Item number	Size	Datasheet	Manual	SDS	Delivery time	Quantity	Price
ABD-2033	10 mg		-		3 - 8 business days*		279.00€

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Absorbance (nm): 660. Correction Factor (280 nm): 0.32. Extinction coefficient (cm -1 M -1):... more

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Product information "QXY21 NHS ester [equivalent to QSY-21 NHS ester]"

Absorbance (nm): 660. Correction Factor (280 nm): 0.32. Extinction coefficient (cm -1 M -1): 89000. QXY21 is the same molecule to QSY-21 acid (ThermoFisher). QSY-21 has a broad and intense absorption at ~661 nm maxima with no detectable fluorescence, making it useful as an acceptor in fluorescence resonance energy transfer (FRET) applications. It is a common long-wavelength quencher to best pair with Cy5, Alexa Fluor 647, iFluor 647 or other spectrally similar fluorescent dyes.

Supplier:	AAT Bioquest
Supplier-Nr:	2033

Properties

Application:	FRET receptor, Long-wavelength quencher
MW:	892.9 D

Database Information

Handling & Safety

Storage:	-20°C (protect from light)
Shipping:	+20°C (International: °C)

Caution
Our products are for laboratory research use only: Not for administration to humans!

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