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38132

Sigma-Aldrich

N-(5-Fluoresceinyl)maleimide

≥90% (HPLC), BioReagent, suitable for fluorescence

Synonyme(s) :

5-Maleimido-fluorescein

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About This Item

Formule empirique (notation de Hill):
C24H13NO7
Numéro CAS:
Poids moléculaire :
427.36
Numéro MDL:
Code UNSPSC :
12352111
ID de substance PubChem :
Nomenclature NACRES :
NA.32

Gamme de produits

BioReagent

Pureté

≥90% (HPLC)

Fluorescence

λex 490 nm; λem 518 nm in 0.1 M Tris pH 8.0

Adéquation

corresponds for coupling to thiols
suitable for fluorescence

Température de stockage

2-8°C

Chaîne SMILES 

Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5cc(ccc45)N6C(=O)C=CC6=O)c1

InChI

1S/C24H13NO7/c26-13-2-5-17-19(10-13)31-20-11-14(27)3-6-18(20)24(17)16-4-1-12(9-15(16)23(30)32-24)25-21(28)7-8-22(25)29/h1-11,26-27H

Clé InChI

AYDAHOIUHVUJHQ-UHFFFAOYSA-N

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Description générale

N-(5-Fluoresceinyl) maleimide, also known as fluorescein-5-maleimide (FM), is a fluorescent derivatization reagent. The pH during the derivatization reaction plays a critical role.

Application

N-(5-Fluoresceinyl) maleimide or fluorescein-5-maleimide is used as a fluorescent biosensor to detect nanoparticles.

N-(5-Fluoresceinyl) maleimide (5-FM) is used to fluorescence label molecules such as proteins and peptides via their thiol groups.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictogrammes

Exclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Vishakha Dastidar et al.
Journal of bacteriology, 189(15), 5550-5558 (2007-05-29)
In gram-negative bacteria, transporters belonging to the resistance-nodulation-cell division (RND) superfamily of proteins are responsible for intrinsic multidrug resistance. Haemophilus influenzae, a gram-negative pathogen causing respiratory diseases in humans and animals, constitutively produces the multidrug efflux transporter AcrB (AcrB(HI)). Similar
Yumiko Takatsuka et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(15), 6559-6565 (2010-03-10)
The AcrB trimeric multidrug efflux transporter of Escherichia coli pumps out a very wide spectrum of compounds. Although minocycline and doxorubicin have been cocrystallized within the large binding pocket in the periplasmic domain of the binding protomer, nothing is known
Linda Ojemyr et al.
Biochemistry, 48(10), 2173-2179 (2009-01-27)
Proton transport across biological membranes is a key step of the energy conservation machinery in living organisms, and it has been proposed that the membrane itself plays an important role in this process. In the present study we have investigated
Robert E Dempski et al.
The Journal of biological chemistry, 281(47), 36338-36346 (2006-09-19)
The Na+/K+-ATPase maintains the physiological Na+ and K+ gradients across the plasma membrane in most animal cells. The functional unit of the ion pump is comprised of two mandatory subunits including the alpha-subunit, which mediates ATP hydrolysis and ion translocation
Chuck R Smallwood et al.
Molecular microbiology, 72(5), 1171-1180 (2009-05-13)
We studied the reactivity of 35 genetically engineered Cys sulphydryl groups at different locations in Escherichia coli FepA. Modification of surface loop residues by fluorescein maleimide (FM) was strongly temperature-dependent in vivo, whereas reactivity at other sites was much less

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