76307
Pefabloc® SC
Sinónimos:
4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride, AEBSF
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Fórmula empírica (notación de Hill):
C8H10FNO2S · HCl
Número CAS:
Peso molecular:
239.69
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
7604627
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Permítanos ayudarleInChI
1S/C8H10FNO2S.ClH/c9-13(11,12)8-3-1-7(2-4-8)5-6-10;/h1-4H,5-6,10H2;1H
SMILES string
FS(C1=CC=C(CCN)C=C1)(=O)=O.[H]Cl
InChI key
WRDABNWSWOHGMS-UHFFFAOYSA-N
assay
≥95.0% (HPLC)
form
powder or crystals
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
forensics and toxicology
pharmaceutical (small molecule)
storage temp.
2-8°C
Quality Level
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Categorías relacionadas
Application
Pefabloc® SC may be used as an analytical standard in determining the native oligomeric state and substrate specificity of rat NTPDase1 and NTPDase2 after heterologous expression in Xenopus oocytes. It may also be used as an esterase inhibitor, which is added to the whole blood to improve the stability of ciclesonide for the determination of ciclesonide (CIC) and its active metabolite, desisobutyryl-ciclesonide (des-CIC), in human plasma using liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometric (LC-APCI-MS/MS) method.
Recommended concentrations for use are 0.1-1 mM.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Biochem/physiol Actions
4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride (AEBSF) is an irreversible serine protease inhibitor. Inhibition constants are similar to those of phenylmethanesulfonyl fluoride (PMSF) and diisopropylfluorophosphate (DFP). AEBSF has been shown to inhibit trypsin, chymotrypsin, plasmin kallikrein, and thrombin. As an alternative to PMSF and DFP, AEBSF offers lower toxicity, improved solubility in water, and improved stability in aqueous solutions. AEBSF can be used in cell culture in concentrations of up to 0.25 mM.
General description
Pefabloc® SC is a potent, nontoxic and relatively easy to use, irreversible serine proteinase inhibitor. It is reported to efficiently inhibit the platelet activating factor (PAF)-degrading acetylhydrolase (acetylhydrolase) in both humans and rats.
Pefabloc® SC is a trypsin inhibitor, which can be used in the synthesis of its arginine-like analogue, 4-(2-guanidinoethyl)benzenesulfonyl fluoride.
Other Notes
Potent and irreversible inhibitor of serine proteases; in contrast to PMSF, it is water soluble and non-toxic; Unaffected by albumin
Legal Information
Pefabloc is a registered trademark of Pentapharm
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1A
Clase de almacenamiento
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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A trypsin-based bistable switch
Postma.J.GS, et al.
Tetrahedron (2017)
Simultaneous determination of ciclesonide and its active metabolite desisobutyryl-ciclesonide in human plasma by LC?APCI-MS/MS: Application to pharmacokinetic study in healthy Chinese volunteer
Su X-M, et al.
Journal of Pharmaceutical and Biomedical Analysis, 55(1), 230-235 (2011)
Pefabloc, 4-[2-aminoethyl] benzenesulfonyl fluoride, is a new, potent nontoxic and irreversible inhibitor of PAF-degrading acetylhydrolase
Dentan C, et al.
Biochimica et Biophysica Acta, 1299(3), 353-357 (1996)
Determination of native oligomeric state and substrate specificity of rat NTPDase1 and NTPDase2 after heterologous expression in Xenopus oocytes
Failer UB, et al.
European Journal of Biochemistry, 270(8), 1802-1809 (2003)
W B Lawson et al.
Folia haematologica (Leipzig, Germany : 1928), 109(1), 52-60 (1982-01-01)
The effects of blood plasma and some plasma constituents on several types of thrombin inhibitors were quite varied. Two active esters were rapidly destroyed by serum albumin; one of these reacted initially with Lys-199, the residue that is also acylated
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