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(PMSF), Phenylmethylsulphonyl Fluoride

In biochemistry, phenylmethylsulfonyl fluoride (PMSF) is a serine protease inhibitor (serine hydrolase inactivator) commonly used in the preparation of cell lysates. PMSF does not inactivate all serine proteases. The effective concentration of PMSF is between 0.1 - 1 mM. The half-life is short in aqueous solutions (110 min at pH 7, 55 min at pH 7.5, and 35 min at pH 8, all at 25 °C). Stock solutions are usually made up in anhydrous ethanol, isopropanol, or corn oil and diluted immediately before use.

C6H5CH2SO2F

F.W. 174.20                         -          CAS #329-98-6

Cadmium Iodine, Crystal, Reagent, A.C.S.

 25 / 100g                 Used for negative staining.            m.p. 387°C                

formula CdI2           F.W. 366.21          CAS #7790-80-9        Assay min. 99.0% 

Possible Carcinogen.   MSDS_12320

Calcium Chloride, Dihydrate, Reagent, A.C.S.

 calcium chloride     CaCl2·2H2O

F.W. 147.02          CAS #10035-04-8             Storage : RT

Unit : 100g  

d

Chromic Acid

 

A mixture consisting of 1% phosphotungstic acid (PTA) in 10% chromic acid (CrO3) selectively stains the plasma membrane of plant cells.

Unit : 100g  

e

Citric Acid, Anhydrous, Reagent, A.C.S.

citric acid anhydrous ACS

Unit : 500g  

d

Cobalt Napthenate Solution

  Used as an activator for the Vestopal embedding resin in solution

d

 

Collodion (Parlodion), 2% in Amyl Acetate

making film support grids

 

d

Collodion, 5% Solution, USP

collodion 5% in solution :   25% Alcohol, 75% Diethyl Ether

d

Dextrose, Anhydrous, Reagent
DextroseAnhydrous, ACS Reagent

Composition: Glucose 100% Grade: Anhydrous, ACS Reagent 

Unit : 500g  

a

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