Synonym: α-Toluenesulfonyl fluoride, Benzylsulfonyl fluoride, PMSF, Phenylmethylsulfonyl fluoride
CAS Number 329-98-6
Empirical Formula (Hill Notation) C7H7FO2S
Molecular Weight 174.19
Beilstein Registry Number 2088311
EC Number 206-350-2
MDL number MFCD00007424
PubChem Substance ID 24898863
Popular Documents: Product Information Sheet (PDF) | Specification Sheet (PDF) | FTNMR (PDF)
| Related Categories | Analytical and Industrial Enzymes, Bioactive Small Molecules, Biochemicals and Reagents, Broad Spectrum Inhibitors of Proteolytic Enzyme Classes, Carboxypeptidase Y, |
| Quality Level | PREMIUM |
| assay | ≥98.5% (GC) |
| solubility | dry solvents (ethanol, methanol, and 2-propanol): soluble200 mM (Stock solution are stable for months at 4°C.) |
| H2O: unstable |
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Inhibits serine proteases such as trypsin and chymotrypsin. Also inhibits cysteine proteases (reversible by reduced thiols) and mammalian acetylcholinesterase. Not as effective or as toxic as DFP. Effective concentration 0.1-1 mM. Half-life = 1 hr. at pH 7.5.
1, 5, 25, 100 g in glass bottle
250 mg in glass bottle
Administration of PMSF produces analgesia unrelated to its anticholinesterase effect, and prolongs the analagesic effect of centrally administered β-endorphin.1
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