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sulfo-Cyanine3.5 alkyne

磺基-花菁3.5 炔烴點擊化學

貨號	數量	價格	交貨時間
A23B0	1 mg	$125	現貨
B23B0	5 mg	$260	現貨
C23B0	10 mg	$325	現貨
D23B0	25 mg	$510	現貨
E23B0	50 mg	$895	現貨
F23B0	100 mg	$1490	現貨

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sulfo-Cyanine3.5 is a dye with fluorescence in the orange spectrum range (absorption maximum at 576 nm; emission maximum at 603 nm). Its absorption and emission spectra are between that of Cyanine3 and Cyanine5. Therefore, sulfo-Cyanine3.5 is commonly used as a FRET-donor in a pair with Cyanine5, as a FRET-acceptor in a pair with Cyanine3, and in BRET experiments.

sulfo-Cyanine3.5 is a sulfonated derivative with four sulfo groups, which allows its high hydrophilicity and performing all reactions with this reagent in aqueous solutions without adding organic solvents.

The reagent is an alkyne derivative of sulfo-Cyanine3.5 dye for copper-catalyzed click chemistry. The terminal alkynyl (acetylene) group allows conjugating the fluorophore with the molecules containing an azide group through 1,3-dipolar cycloaddition in the presence of a copper(I) catalyst.

以
ChemDraw 格式下載

建議協議

Conjugation of Alkyne- or Azide-modified Proteins with Dye Azides or Alkynes

計算機

解决方案计算器

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AF 488 alkyne

Alkyne derivative of AF 488 dye for copper-catalyzed cycloaddition to azides. Pure 5-isomer.

sulfo-Cyanine3.5 azide

Azide derivative of water-soluble sulfo-Cyanine3.5 dye for bioconjugation via click chemistry.

磺基-Cyanine7.5疊氮化物 (sulfo-Cyanine7.5 azide)

sulfo-Cyanine7.5 是一種非常親水的水溶性近紅外染料。該染料的吸收和發射光譜與吲哚花菁綠（ICG）相似，但sulfo -Cyanine7.5具有更高的螢光量子產率。該染料是近紅外體內成像的絕佳選擇。是一種用於點擊化學的疊氮化物。

General properties

Appearance:	dark colored solid
Mass spec M+ increment:	914.2
Molecular weight:	1028.32
Molecular formula:	C₄₁H₄₀N₃K₃O₁₃S₄
Solubility:	good in water, DMF, DMSO
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:	下載
	產品規格

Spectral properties

Excitation/absorption maximum, nm:	576
ε, L⋅mol⁻¹⋅cm⁻¹:	139000
Emission maximum, nm:	603
Fluorescence quantum yield:	0.11
CF₂₆₀:	0.16
CF₂₈₀:	0.17

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.