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69898

Sigma-Aldrich

Bromobimane

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

Synonyma:

Monobromobimane

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About This Item

Empirický vzorec (Hillův zápis):
C10H11BrN2O2
Číslo CAS:
71418-44-5
Molekulová hmotnost:
271.11
Beilstein/REAXYS Number:
4430959
MDL number:
MFCD00036951
UNSPSC Code:
12171500
PubChem Substance ID:
57652223
NACRES:
NA.32

product line

BioReagent

Quality Level

100

assay

≥95% (HPCE)

form

solid

mp

152-154 °C (lit.)

solubility

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

fluorescence

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

suitability

suitable for fluorescence

storage temp.

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

InChI key

AHEWZZJEDQVLOP-UHFFFAOYSA-N

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General description

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.

Application

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.

Features and Benefits

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Fluorescent thiol-specific reagent

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Vyberte jednu z posledních verzí:

Osvědčení o analýze (COA)

Lot/Batch Number
BCCM0976
BCCB2263
BCCB4375
BCCB4376
BCBF5306V

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Navštívit knihovnu dokumentů

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
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
Michael Hall et al.
Proteomics, 10(5), 987-1001 (2010-01-06)
The light-dependent regulation of stromal enzymes by thioredoxin (Trx)-catalysed disulphide/dithiol exchange is known as a classical mechanism for control of chloroplast metabolism. Recent proteome studies show that Trx targets are present not only in the stroma but in all chloroplast
G Zimmer et al.
FEBS letters, 150(1), 207-210 (1982-12-13)
Using a bromobimane fluorescent label the Mr 31 000 protein band oligomycin-sensitive (OS)-ATPase from beef heart mitochondria is shown to become much intensified by 2-mercaptopropionylglycine. In the presence of 3.5 nmol/mg protein of the thiol reagent ATP-Pi exchange activity is
Joachim Volk et al.
Dental materials : official publication of the Academy of Dental Materials, 25(12), 1556-1563 (2009-09-01)
Camphorquinone (CQ) is cytotoxic in cell cultures. The mechanism of this toxic action, however, is not yet clearly understood. Aim of this investigation was to analyze the effects of non-irradiated CQ on intracellular formation of reactive oxygen species (ROS), intracellular
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