The solubility of this product in DMSO has not been tested. A 200 mM stock solution can be prepared using ethanol, methanol, and 2-propanol. It is known to have 100 mM solubility in DMSO. The product is insoluble in aqueous solutions. Stock solutions of PMSF in 100% isopropanol are stable for at least 9 months at 15 to 25 °C. Storing in a desiccator may be useful.
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44.40 CHF
73.70 CHF
116.00 CHF
361.00 CHF
1 200.00 CHF
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Nom du produit
Fluorure de phénylméthanesulfonyle, ≥98.5% (GC)
InChI key
YBYRMVIVWMBXKQ-UHFFFAOYSA-N
InChI
1S/C7H7FO2S/c8-11(9,10)6-7-4-2-1-3-5-7/h1-5H,6H2
SMILES string
FS(=O)(=O)Cc1ccccc1
biological source
synthetic
assay
≥98.5% (GC)
form
powder
mp
91-94 °C
solubility
dry solvents (ethanol, methanol, and 2-propanol): 200 mM (Stock solution are stable for months at 4°C.)
H2O: unstable
Quality Level
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Cet article | PMSF-RO | 78830 | 52332 |
|---|---|---|---|
| biological source synthetic | biological source - | biological source synthetic | biological source - |
| assay ≥98.5% (GC) | assay 98% (TLC) | assay ≥99.0% (T) | assay ≥99% (GC) |
| Quality Level 300 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form powder | form solid | form powder or crystals | form crystalline solid |
| solubility dry solvents (ethanol, methanol, and 2-propanol): 200 mM (Stock solution are stable for months at 4°C.), H2O: unstable | solubility >10 mg/mL | solubility anhydrous isopropanol: soluble 35 mg/mL, clear to faintly hazy, colorless to faintly yellow (Heating required) | solubility ethanol: soluble, isopropanol: soluble, methanol: soluble |
| mp 91-94 °C | mp 92-94 °C | mp 92-95 °C | mp - |
Application
Voici quelques-uns des caractéristiques et avantages observés :
- Inhibition des protéases à sérine telles que la trypsine et la chymotrypsine
- Inhibition des protéases à cystéine (réversible en présence de thiols réduits) et de l'acétylcholinestérase de mammifère
- Moins efficace et moins toxique que le DFP
- Concentration efficace : 0,1 à 1 mM
- Demi-vie : 1 h à pH 7,5
Biochem/physiol Actions
General description
Related product
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Skin Corr. 1B
Classe de stockage
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic 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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Contenu apparenté
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Can this PMSF powder be dissolved in DMSO, and if yes, then to what concentration where and how to store the reconstituted vial?
1 answer-
Helpful?
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At what temperature should the stock Product P7626, Phenylmethanesulfonyl fluoride (PMSF), be stored?
1 answer-
A 200 mM PMSF solution in dry solvent has been reported to remain active for at least 9 months at
2-8 °C. 100 mM PMSF solutions in isopropanol may be stored at –20 °C for several months. For more information please view the Product Data Sheet: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/348/427/p7626pis-ms.pdfHelpful?
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How should stock solutions of Product P7626, Phenylmethanesulfonyl fluoride (PMSF), be stored?
1 answer-
A 200 mM solution in dry solvent is stable for at least 9 months when stored at 2-8°C.
Helpful?
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What is the effective amount of Product P7626, Phenylmethanesulfonyl fluoride (PMSF), to be used?
1 answer-
The effective concentration range is 0.1-1 mM. A final concentration of 5 mM was used for proteinase K inhibition.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Helpful?
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How should Product P7626, Phenylmethanesulfonyl fluoride (PMSF), solutions be prepared?
1 answer-
Stock solutions of 100-200 mM can be prepared in anhydrous isopropanol or anhydrous absolute ethanol. PMSF is unstable in the presence of water.
Helpful?
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What does Product P7626, Phenylmethanesulfonyl fluoride (PMSF), inhibit?
1 answer-
PMSF is a serine protease inhibitor, inhibiting the activity of enzymes such as thrombin, trypsin, papain, chymotrypsin and proteinase K. It also inhibits mammalian acetylcholinesterases.
Helpful?
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