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This product is sold as a racemate. Unfortunately, there is no indication of its preferred conformation. Product 764523 is an enantiopure compound supplied as a single equatorial diastereomer (major, rel-(1S-2S-5E-pR)). Please see the link below to review this product:
https://www.sigmaaldrich.com/US/en/product/aldrich/764523
790435
TCO PEG4 succinimidyl ester
Sinonimo/i:
trans-Cyclooctene-PEG4-NHS
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5 MG
CHF 259.00
25 MG
CHF 627.00
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Cambia visualizzazione
5 MG
CHF 259.00
25 MG
CHF 627.00
About This Item
Formula empirica (notazione di Hill):
C24H38N2O10
Peso molecolare:
514.57
Numero MDL:
Codice UNSPSC:
12352108
ID PubChem:
NACRES:
NA.22
Prodotti consigliati
Stato
liquid
Impiego in reazioni chimiche
reaction type: click chemistry
reagent type: linker
Gruppo funzionale
NHS ester
Temperatura di conservazione
−20°C
Stringa SMILE
O=C(NCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)OC2CCC/C=C/CC2
InChI
1S/C24H38N2O10/c27-21-8-9-22(28)26(21)36-23(29)10-12-31-14-16-33-18-19-34-17-15-32-13-11-25-24(30)35-20-6-4-2-1-3-5-7-20/h1-2,20H,3-19H2,(H,25,30)/b2-1+
ZKPMRASGLDBKPF-OWOJBTEDSA-N
Applicazioni
Succinimidyl ester/NHS (amine reactive) functionalized trans-cyclooctene derivative for incorporation of the cyclooctene moiety into amine containing compounds or biomolecules. Trans-cyclooctenes are useful in strain-promoted, copper-free, click chemistry cycloaddition reactions with 1, 2, 4, 5-tetrazines. This cyclooctene will react with tetrazine functionalized compounds or biomolecules, without the need for a catalyst, to result in a stable covalent linkage. The 4+2 inverse electron demand Diels-Alder cycloaddition between trans-cyclooctene and tetrazines is the fastest biologically compatible ligation technology reported, and has had many applications in biological labeling and imaging. The PEG spacer allows for increased water solubility, less aggregation, and an increased distance between the amine to be modified and the reactive alkene.
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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Polyethylene glycol (PEG) has been successfully used for improving circulation time of several nanomaterials but prolonging the circulation of porous silicon nanoparticles (PSi NPs) has remained challenging. Here, we report a site specific radiolabeling of dual-PEGylated thermally oxidized porous silicon
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1,2,4,5-Tetrazines have been established as effective dienes for inverse electron demand [4 + 2] Diels-Alder cycloaddition reactions with strained alkenes for over 50 years. Recently, this reaction pair combination has been applied to bioorthogonal labeling and cell detection applications; however
Neal K Devaraj et al.
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Bioorthogonal tetrazine cycloadditions have been applied to live cell labeling. Tetrazines react irreversibly with the strained dienophile norbornene forming dihydropyrazine products and dinitrogen. The reaction is high yielding, selective, and fast in aqueous media. Her2/neu receptors on live human breast
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Journal of the American Chemical Society, 130(41), 13518-13519 (2008-09-19)
Described is a bioorthogonal reaction that proceeds with unusually fast reaction rates without need for catalysis: the cycloaddition of s-tetrazine and trans-cyclooctene derivatives. The reactions tolerate a broad range of functionality and proceed in high yield in organic solvents, water
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790435 This material can exist as both the axial and equatorial isomer. Please indicate which isomer this product represents. Thanks.
1 answer-
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