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Polyethylene glycol 3,350, Biotechnology Grade

Supplier: VWR
Description: Polyethylene glycol 3,350, Biotechnology Grade for biotechnology

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Product Image-75997-546

VWR® DNA Molecular Weight Markers, 1 kb Ladder

Catalog Number: (75997-546)
Supplier: VWR
Description: 11 fragments ranging from 500 to 10,000 bp for easy band identification

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Product Image-97063-282

IPTG (isopropyl-β-D-thiogalactopyranoside), Ultrapure

Catalog Number: (97063-282)
Supplier: VWR
Description: Non-animal origin (NAO) IPTG is recommended lacZ selection applications where animal derived products are prohibited. NAO IPTG is free of animal products and dioxane free. Purity is greater than 98%.

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Product Image-97064-704

Phenol ≥99% saturated solution in water, Biotechnology Grade, buffered

Supplier: VWR
Description: Packaged at pH 6.6, this mixture is provided with a supplemental alkaline buffer that
allows the researcher to easily increase the pH to 7.9 for DNA purification. When mixed with Chloroform:Isoamyl Alcohol (24:1), it makes an optimized reagent for DNA purification. Doubly distilled, high purity phenol packaged under nitrogen. Safer, easier alternative to crystalline phenol.

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Product Image-10791-800

Potassium hydrogen phthalate 99.95-100.05% ACS

Catalog Number: (10791-800)
Supplier: VWR
Description: Potassium hydrogen phthalate 99.95-100.05% ACS

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Product Image-97062-790

Water for biotechnology nuclease-free, 0.2 µm filtered

Supplier: VWR
Description: Water for biotechnology nuclease-free, 0.2 µm filtered

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Product Image-97064-052

Toluidine blue O, powder, Certifiable Grade

Catalog Number: (97064-052)
Supplier: VWR
Description: A blue counterstain often used for metachromatic staining of mast cells, cartilage, and acid mucins. Black to dark green fine powder

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Product Image-97064-236

Leupeptin

Supplier: VWR
Description: A reversible inhibitor of cysteine proteases and serine proteases resembling trypsin

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Product Image-97063-884

VWR® Trypsin, Crystalline, Proteomics Grade

Catalog Number: (97063-884)
Supplier: VWR
Description: Trypsin, Crystalline, Proteomics Grade.

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Product Image-97063-172

n-Dodecyl-β-D-maltoside ≥99.0%, high purity

Catalog Number: (97063-172)
Supplier: VWR
Description: Non-ionic - containing no charge (polyoxyethylenes or alkyl glucosides).
Non-ionic detergents are suited for solubilizing membrane proteins without altering biological activity.

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Product Image-97064-782

Sodium hydroxide 10 N in aqueous solution, Reagent Grade, VWR®

Supplier: VWR
Description: Sodium hydroxide 10 N in aqueous solution, Reagent Grade, VWR®

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Product Image-97064-344

3,3',5,5'-Tetramethylbenzidine (TMB), liquid, Biotechnology Grade 1 component

Catalog Number: (97064-344)
Supplier: VWR
Description: Ready-to-use sensitive substrate for the detection of horseradish peroxidase activity

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Product Image-VWRL0200-0500

Water, Cell Culture Grade low in endotoxins

Supplier: VWR
Description: VWR® Cell culture grade water is extremely low in endotoxin, free of DEPC (Diethyl pyrocarbonate) and other chemical additives. The product is 0.2 um filtered. It is suitable in cell culture applications.

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Product Image-97064-716

Phenol ≥99.0% saturated with buffer pH 4.5

Catalog Number: (97064-716)
Supplier: VWR
Description: For RNA purification, it is best to use a phenol or phenol:chloroform mixture with a pH of 4.5 to 5.5. Although phenol alone will purify RNA in these extractions, messenger RNA can collect with the DNA at the inter-phase in the complete absence of chloroform. The ratio of phenol to chloroform can vary from no chloroform to a 1:1 mixture, depending on the individual tissue and the character of the RNA being purified. For many applications, a 5:1 ratio of phenol:chloroform is a recommended starting point. The phenol used for extraction protocols must be highly purified and essentially free of contamination by phenolic acid, a product of phenol oxidation. VWR’s phenol products are manufactured from the purest crystalline phenol to ensure optimal results.

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Product Image-97061-098

Polyethylene glycol 8,000 for biotechnology

Supplier: VWR
Description: Polyethylene glycol is used for the isolation of plasmid DNA and the precipitation of phage.

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Product Image-97062-416

Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) for biotechnology

Supplier: VWR
Description: Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) for biotechnology

SDS Certificates

Inquire for Price
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.
To process your orders without delay, please provide the required business documentation to purchase this product.

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

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. 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 no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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