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301450

Sigma-Aldrich

4-Bromomethyl-6,7-dimethoxycoumarin

96%

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About This Item

Fórmula empírica (notación de Hill):
C12H11BrO4
Número de CAS:
88404-25-5
Peso molecular:
299.12
Beilstein/REAXYS Number:
4750487
MDL number:
MFCD00011570
UNSPSC Code:
12352100
PubChem Substance ID:
24858188
NACRES:
NA.22

assay

96%

mp

212-216 °C (lit.)

fluorescence

λex 322; λem 395 (Reaction product with acetic acid)
λex 354 nm; λem 435 nm in methanol

SMILES string

COc1cc2OC(=O)C=C(CBr)c2cc1OC

InChI

1S/C12H11BrO4/c1-15-10-4-8-7(6-13)3-12(14)17-9(8)5-11(10)16-2/h3-5H,6H2,1-2H3

InChI key

JGODLBJJCNQFII-UHFFFAOYSA-N

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Application

4-Bromomethyl-6,7-dimethoxycoumarin was used as fluorescent labeling reagent for the reversed-phase HPLC separation and detection of carboxylic acids. It was also used as derivatization reagent:
  • for quantitation of clofibric, bezafibric and fenofibric acids in liver by liquid chromatography
  • in determination of the concentration of tripeptide glutathione by matrix-assisted laser desorption ionization time-of-flight mass spectrometry
  • for determination of carboxylic acids in chromatographic detection

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

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Hsin-Liang Chen et al.
Proteins, 78(14), 2973-2983 (2010-08-26)
Kinetic measurement of protein folding is limited by the method used to trigger folding. Traditional methods, such as stopped flow, have a long mixing dead time and cannot be used to monitor fast folding processes. Here, we report a compound
A G Lee et al.
The Biochemical journal, 305 ( Pt 1), 225-231 (1995-01-01)
Equilibrium and kinetic fluorescence methods have been used to characterize the interactions between K+ and the Ca(2+)-ATPase of skeletal-muscle sarcoplasmic reticulum. K+ shifts the E2-E1 equilibrium of the ATPase towards E1 and increases the rate of Ca2+ binding to the
A M Mata et al.
Biochimica et biophysica acta, 1147(1), 6-12 (1993-04-08)
4-Bromomethyl-6,7-dimethoxy-coumarin labels the (Ca(2+)-Mg(2+)-ATPase of skeletal muscle sarcoplasmic reticulum at Cys-344. Resonance energy transfer has been used to measure the distance between this site and Lys-515 labelled with fluorescein isothiocyanate as about 37 A. The height of Cys-344 above the
T Devasena et al.
Pharmacological research, 47(2), 133-140 (2003-01-25)
1,2-Dimethylhydrazine (DMH) is a toxic environmental pollutant which was reported also to be a colon-specific carcinogen. This study was performed to study the effect of bis-1,7-(2-hydroxyphenyl)-hepta-1,6-diene-3,5-dione, a bisdemethoxycurcumin analog (BDMC-A) on DMH-induced colon carcinogenesis in male Wistar rats and effects
Yan Zhong et al.
Biomedical chromatography : BMC, 20(4), 319-326 (2005-09-08)
A reliable and validated reversed-phase high-performance liquid chromatography (HPLC) method using fluorescence detection is reported for the simultaneous quantitation of mycophenolic acid (MPA) and valproic acid (VPA) in human plasma. The method is based on the pre-column derivatization of valproic
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