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Supplier: VWR
Description: Replacement microscope light bulbs are available for a variety of microscopes. If unsure which bulb type is needed, please contact Ward's Science.

Supplier: VWR
Description: VWR®
Supplier: VWR
Description: Ribonuclease A is an endoribonuclease that efficiently hydrolyzes RNA contaminants in DNA preparations from tissue or bacterial cell cultures. RNase A is used for a variety of molecular biology applications, most commonly for the hydrolysis of RNA that contaminates DNA preparations. This enzyme is used during plasmid purification without nicking or degrading plasmid.
Supplier: VWR
Description: Potassium iodide ACS
Catalog Number: (97062-974)
Supplier: VWR
Description: 15 µg/ml working concentration, binds to the 30S subunit of bacterial ribosome.

Catalog Number: (97061-558)
Supplier: VWR
Description: A valuable plasma stain used in contrast to hematoxylin. Also a counterstain to safranin.

Supplier: VWR
Description: Zwitterionic, both positively and negatively charged. Utilized for applications ranging from solubilizing membrane proteins in non-denaturing conditions to creating denaturing conditions during gel electrophoresis.
Supplier: VWR
Description: May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.
Supplier: VWR
Description: Sodium sulfate, anhydrous ACS
Supplier: VWR
Description: Non-ionic - containing no charge (polyoxyethylenes or alkyl glucosides). Non-ionic detergents are suited for solubilizing embrane proteins without altering biological activity. These non-denaturing, gentler detergents are ideal for studying the conformati
Supplier: VWR
Description: 1X Solution Composition:135 mM NaCl, 2.7 mM KCl,11 mM Phosphate Buffer.Does not contain magnesium or calcium.
Catalog Number: (97063-136)
Supplier: VWR
Description: Dimethyl sulfoxide ≥99.9%, Ultra Pure Grade

Supplier: VWR
Description: One of the best general-purpose buffers for biological research. Excellent for tissue culture, oxidative phosphorylation, protein synthesis with cell-free bacterial systems, photophosphorylation, and CO<sub>2</sub> fixation.
Supplier: VWR
Description: Reagent for stabilization of buffer formulations and electrophoresis of biological molecules.
Catalog Number: (97061-542)
Supplier: VWR
Description: Iron(II) sulfate heptahydrate 99 ACS

Supplier: VWR
Description: Preparation of PBS using 10 L and 50 L Format:
Dissolve 9.88 g of PBS powder in 1 L of water to prepare a 1X PBS solution containing 137 mM sodium chloride, 2.7 mM potassium chloride and 9.8 mM phosphate buffer.
The 10 L and 50 L pack sizes contain sufficient powder to prepare 10 L and 50 L of 1X PBS, respectively.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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