PMSF

Empirical Formula (Hill Notation):	C7H7FO2S
CAS Number:	329-98-6
Molecular Weight:	174.19
Beilstein/REAXYS Number:	2088311
MDL number:	MFCD00007424
PubChem Substance ID:	329823637

Кат. номер

11359061001

10837091001

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.
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) 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.
Purity: Chromatographically homogeneous
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.
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.
For life science research only. Not for use in diagnostic procedures.
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.

Quality Level	100
assay	98% (TLC)
mol wt	174.2
packaging	pkg of 10 g (10837091001), pkg of 25 g (11359061001)
Торговая марка	Roche
concentration	17-170 μg/mL
application(s)	western blot: suitable
pKa A	7.0
mp	92-94 °C
solubility	>10 mg/mL (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.)
shipped in	ambient
storage temp.	20-25°C
SMILES string	FS(=O)(=O)Cc1ccccc1
InChI	1S/C7H7FO2S/c8-11(9,10)6-7-4-2-1-3-5-7/h1-5H,6H2
InChI key	YBYRMVIVWMBXKQ-UHFFFAOYSA-N

RIDADR

UN 2923 6.1(8) / PGII