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Sigma-Aldrich

Bromobiman

suitable for fluorescence, BioReagent, ≥95% (HPCE)

Synonym(e):

Monobrombiman

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About This Item

Empirische Formel (Hill-System):
C10H11BrN2O2
CAS-Nummer:
71418-44-5
Molekulargewicht:
271.11
Beilstein:
4430959
MDL-Nummer:
MFCD00036951
UNSPSC-Code:
12171500
PubChem Substanz-ID:
57652223
NACRES:
NA.32

Produktlinie

BioReagent

Assay

≥95% (HPCE)

Form

solid

mp (Schmelzpunkt)

152-154 °C (lit.)

Löslichkeit

DMF: soluble
DMSO: soluble
acetonitrile: soluble
methanol: soluble

Fluoreszenz

λex 390 nm; λem 478 nm in 0.1 M phosphate pH 7.5 (after derivatization with glutathione)
λex 398 nm

Eignung

suitable for fluorescence

Lagertemp.

2-8°C

SMILES String

CC1=C(C)C(=O)N2N1C(CBr)=C(C)C2=O

InChI

1S/C10H11BrN2O2/c1-5-7(3)12-8(4-11)6(2)10(15)13(12)9(5)14/h4H2,1-3H3

InChIKey

AHEWZZJEDQVLOP-UHFFFAOYSA-N

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Allgemeine Beschreibung

Bromobimane, also called probe for thiols, is a fluorescent reagent activated upon a photolysis reaction. Bromobimane in solution reacts with small thiol groups (e.g., GSH) and with reactive protein thiol groups (e.g., hemoglobin). The reaction of Bromobimane with thiols is of second-order and dependent on pH. And, upon reacting with thiolate, it activates the water-soluble fluorescent product for detection.

Anwendung

Bromobimane is used for the determination of thiols by the HPLC method. It is suitable as a pre-column derivatization agent for fluorometric determination of 2,3-dimercaptopropane-1-sulfonic acid and other dithiols. Bromobimane has been used as a fluorescent label in studying oligomycin-sensitive ATPase from beef heart mitochondria.

Leistungsmerkmale und Vorteile

The benefits of using Bromobimane for the analysis of low molecular weight thiols are: Highly selective.
  • Rapid reactivity.
  • Ease of separation of derivatives by reverse HPLC.
  • Ability to penetrate cells.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Sonstige Hinweise

Fluoreszierendes Thiol-spezifisches Reagens

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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P C Chinn et al.
Analytical biochemistry, 159(1), 143-149 (1986-11-15)
A highly sensitive and specific assay for Escherichia coli thioredoxin was developed using the thiol-specific reagent monobromobimane. Treatment of dithiothreitol-reduced thioredoxin with an excess of monobromobimane in Tris buffer (pH 8.0, 23 degrees C) for 30 min resulted in the
R M Maiorino et al.
Journal of chromatography, 374(2), 297-310 (1986-01-24)
The increasing therapeutic use of dithiol metal binding agents, such as 2,3-dimercaptopropane-1-sulfonic acid (DMPS), has stimulated the need for a sensitive and selective method for their determination in biological fluids. A method has now been developed in which DMPS was
Xiao Jie Yao et al.
Proceedings of the National Academy of Sciences of the United States of America, 106(23), 9501-9506 (2009-05-28)
G protein-coupled receptors (GPCRs) mediate the majority of physiologic responses to hormones and neurotransmitters. However, many GPCRs exhibit varying degrees of agonist-independent G protein activation. This phenomenon is referred to as basal or constitutive activity. For many of these GPCRs
Justin W Taraska et al.
Proceedings of the National Academy of Sciences of the United States of America, 106(38), 16227-16232 (2009-10-07)
The structure and dynamics of proteins underlies the workings of virtually every biological process. Existing biophysical methods are inadequate to measure protein structure at atomic resolution, on a rapid time scale, with limited amounts of protein, and in the context
Edward A Wintner et al.
British journal of pharmacology, 160(4), 941-957 (2010-07-02)
Hydrogen sulphide (H(2)S) is a labile, endogenous metabolite of cysteine, with multiple biological roles. The development of sulphide-based therapies for human diseases will benefit from a reliable method of quantifying H(2)S in blood and tissues. Concentrations of reactive sulphide in
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