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Pyrylium-8 (Py-8)

Protein labeling

目录号	数量	价格	提前通知时间	购买此产品
4751-1mg	1 mg	$599	7 天

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Pyrylium-8 (Py-8, Chromeo™ P429) is a fluorogenic amine-reactive dye that is not fluorescent itself but forms a fluorescent product with emision at 536 nm after conjugation with primary amine groups of peptides and proteins.

Pyrylium-8 displays a weak fluorescence with a quantum yield of less than 0.5% in solution. After conjugation to primary amines, the dye exhibits a color change and undergoes a shortwave spectral shift of more than 28 nm, and the quantum yield rises to 10%. The shift of the absorption/emission bands and the increased fluorescence quantum yield significantly eliminate the background from an unbound dye. Also, unbound Pyrylium dyes are hydrolyzed during the labeling procedure. Altogether, these features allow the labeling of amine-containing molecules via a simple one-step, room-temperature incubation without additional purification steps.

Pyrylium-8-labeled peptides and proteins are ready to use immediately after conjugation. They can be used successfully in a number of «no-wash» applications, such as SDS-protein gel electrophoresis, capillary electrophoresis, isoelectric focusing, and as a fluorescent label in receptor binding studies. Proteins labeled with Pyrylium-8 maintain their native charge and isoelectric point.

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Pyrylium-4 (Py-4)

Fluorogenic primary amine-reactive dye with emision at 590 nm for simple one-step labeling of peptide, protein, and other amine-containing molecules.

Pyrylium-6 (Py-6)

Fluorogenic primary amine-reactive dye with emision at 627 nm for simple one-step labeling of peptide, protein, and other amine-containing molecules.

Pyrylium-1 (Py-1)

荧光伯胺反应染料，用于肽、蛋白质和其他含胺分子的一步标记。

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General properties

Appearance:	orange-brown powder
Molecular weight:	357.18
Molecular formula:	C₁₆H₁₆BF₄NOS
Solubility:	good in DMSO, DMF; limited in methanol, acetonitrile
Quality control:	NMR ¹H and HPLC-MS (95+%)
Storage conditions:	24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
安全数据表（MSDS）:	下载
	产品规格

Chromeo™ is a trademark of Active Motif Chromeon GmbH.

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.

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