α-Toluenosulfonilo fluoruro, white to off white needle crystals

Proveedor: MP Biomedicals
Peligro

Sinónimos: PMSF, Fluoruro de tolueno-α-sulfonilo

02195381.2 0219538180 0219538101 0219538105 0219538125
ICNA02195381.2EA 25 EUR
ICNA02195381.2 ICNA0219538180 ICNA0219538101 ICNA0219538105 ICNA0219538125
α-Toluenosulfonilo fluoruro, white to off white needle crystals
α-Toluenosulfonilo fluoruro

Phenylmethylsulfonyl fluoride is an irreversible inhibitor of serine proteases - inhibits trypsin, chymotrypsin and protease. Inhibits mammalian acetyl cholinesterase, but not those from fish sources.


  • Presentation: White to off white needle crystals
  • Causes sulfonylation of the active-site serine residue
  • A less toxic substitute for the extremely toxic diisopropylfluorophosphate


Phenylmethylsulfonyl fluoride inhibits serine proteases such as trypsin and chymotrypsin. Also inhibits cysteine proteases (reversible by reduced thiols) and mammalian acetylcholinesterase.
Administration of PMSF produces analgesia unrelated to its anticholinesterase effect, and prolongs the analagesic effect of centrally administered β-endorphin.


Soluble in methanol and ethanol

Formula: C₇H₇FO₂S
MW: 174,2 g/mol
Pto. Ebullición: 80 - 85 °C (0,3 -rr)
Pto. de fusión: 89…99 °C
Temperatura de almacenaje: Nevera
Número MDL: MFCD00007424
Núm. CAS: 329-98-6
EINECS: 206-350-2
UN: 2928
ADR: 6.1,II

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