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Biotin-PEG4-tetrazine

Biotinylation 四嗪類 Crosslinking Copper-free click chemistry

貨號	數量	價格	交貨時間	購買此產品
3797-25mg	25 mg	$210	5 天
3797-250mg	250 mg	$1190	現貨

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Biotin-PEG4-tetrazine is a click chemistry biotinylation tool. The tetrazine group reacts extremely fast with terminal alkenes and trans-cyclooctenes via inverse electron demand Diels-Alder ligation (IEDDA). Tetrazines also react with some strained cycloalkynes.

Biotin-labeled compounds can be linked to avidin or streptavidin for further purification or detection. The biotin group is relatively small and doesn’t affect the biological activity of biotinylated proteins.

This reagent features a long PEG4-linker that separates the biotin residue from the target molecule, ensuring efficient binding to avidin or streptavidin. The linker also increases the compound’s water solubility, thereby facilitating bioconjugation.

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Azide-PEG3-tetrazine

A hydrophilic bifunctional linker with azide and tetrazine function groups flanking PEG3 (triethylene glycol) spacer.

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FAM 疊氮化物, 5-異構體 (FAM azide, 5-isomer)

FAM（熒光素）疊氮化物，純 5-異構體，用於連結化學標記，。

Biotin-PEG4-azide

Biotin azide is a reagent for click chemistry labeling with biotin, a well-known affinity probe to streptavidin.

General properties

Appearance:	purple powder
Molecular weight:	674.83
Molecular formula:	C₃₁H₄₆N₈O₇S
Solubility:	good in water, DMSO, DMF
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.
MSDS:	下載
	產品規格

Product is offered and sold for research purposes only. Product is not tested for safety and efficacy in food, drug, medical device, cosmetic, no express or implied authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, for humans or animals or for commercial purposes.