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Key Documents
PMSF-RO
Roche
PMSF
Phenylmethylsulfonyl fluoride
Synonim(y):
Phenylmethanesulfonyl fluoride, phenylmethylsulfonyl fluoride, α-Toluenesulfonyl fluoride, Benzylsulfonyl fluoride, PMSF, Phenylmethylsulfonyl fluoride
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About This Item
Wzór empiryczny (zapis Hilla):
C7H7FO2S
Numer CAS:
Masa cząsteczkowa:
174.19
Beilstein:
2088311
Numer MDL:
Kod UNSPSC:
12352202
Identyfikator substancji w PubChem:
Polecane produkty
Poziom jakości
Próba
98% (TLC)
Postać
solid
masa cząsteczkowa
174.2
opakowanie
pkg of 10 g (10837091001)
pkg of 25 g (11359061001)
producent / nazwa handlowa
Roche
stężenie
17-170 μg/mL
metody
western blot: suitable
pKa
7.0
mp
92-94 °C
rozpuszczalność
>10 mg/mL
Warunki transportu
ambient
temp. przechowywania
20-25°C
ciąg SMILES
FS(=O)(=O)Cc1ccccc1
InChI
1S/C7H7FO2S/c8-11(9,10)6-7-4-2-1-3-5-7/h1-5H,6H2
Klucz InChI
YBYRMVIVWMBXKQ-UHFFFAOYSA-N
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Opis ogólny
Soluble to >10 mg/ml in isopropanol, ethanol, methanol, or 1,2-propanediol. Unstable in aqueous solution. In 100% isopropanol, stable for at least 9 months at +25°C.
Specyficzność
Inhibits serine proteases such as chymotrypsin, trypsin, and thrombin, and the cysteine protease papain (reversible by DTT treatment). Does not inhibit metalloproteases, most cysteine proteases, or aspartic proteases.
Zastosowanie
PMSF (C7H7O2SF) inhibits serine proteases such as chymotrypsin, trypsin, thrombin, and the cysteine protease papain (reversible by DTT treatment). It does not inhibit metalloproteases, most cysteine proteases, or aspartic proteases.
PMSF (phenylmethylsulfonyl fluoride) has been used for the preparation of protein extracts from tissues and cells prior to Western blotting.
PMSF (phenylmethylsulfonyl fluoride) has been used for the preparation of protein extracts from tissues and cells prior to Western blotting.
Działania biochem./fizjol.
PMSF (phenylmethylsulfonyl fluoride) functions as a non-specific inhibitor of multiple proteases and other enzymes, such as palmityl coenzyme A deacylase, arylsulfatase A, acetylcholinesterase, trypsin and chymotrypsin. It is an irreversible inhibitor, and sulfonylates hydroxyl groups of the serine residues present in the active site of enzymes.
Jakość
Purity: Chromatographically homogeneous
Uwaga dotycząca przygotowania
Activator: PK requires Mg2+ (or Mn2+, CO2+) and K+ (or NH4+, Rb+) for full activity.
Working concentration: 17 to 170 μg/ml (0.1 to 1 mM)
Working solution: Due to the short half-life of PMSF, fresh solution must be added at every purification step. Under certain conditions, such as alkaline pH values, PMSF may have a half-life of only 35 minutes. High-salt conditions (3 M), often used to precipitate proteins, may also reverse the inhibition of PMSF. Pefabloc SC is recommended as a non-toxic, water-soluble, and water-stable alternative.
Storage conditions (working solution): 15 to 25 °C
Stock solutions of PMSF in 100% isopropanol are stable for at least 9 months at 15 to 25 °C.
Working concentration: 17 to 170 μg/ml (0.1 to 1 mM)
Working solution: Due to the short half-life of PMSF, fresh solution must be added at every purification step. Under certain conditions, such as alkaline pH values, PMSF may have a half-life of only 35 minutes. High-salt conditions (3 M), often used to precipitate proteins, may also reverse the inhibition of PMSF. Pefabloc SC is recommended as a non-toxic, water-soluble, and water-stable alternative.
Storage conditions (working solution): 15 to 25 °C
Stock solutions of PMSF in 100% isopropanol are stable for at least 9 months at 15 to 25 °C.
Rekonstytucja
Soluble to > 10 mg/ml in isopropanol, ethanol, methanol, or 1,2-propanediol. Unstable in aqueous solution. In 100% isopropanol, stable for at least 9 months at 15 to 25 °C.
Inne uwagi
Due to a short half-life, fresh solution must be added at every purification step. Under certain conditions, such as alkaline pH values, PMSF may only have a half-life of 35 min. High-salt conditions (3 M), often used to precipitate proteins, may also reverse the inhibition of PMSF. Pefabloc SC is recommended as a non-toxic, water-soluble, and water-stable alternative.
For life science research only. Not for use in diagnostic procedures.
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