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Molecular Weight Markers


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Molecular Weight Markers

Molecular-weight size markers are a set of standards used to identify the approximate size of a molecule run on a gel during electrophoresis, using the principle that molecular weight is inversely proportional to migration rate through a gel matrix. The molecular weight markers offered are ideal for verification of PCR products, for size analysis of digested DNA, and easy band identification of a number of different fragments. Certain models are available pre-mixed with loading dye.


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Supplier:  VWR International
Description:   DNA ladders are supplied in a loading buffer that is ready to use on agarose and polyacrylamide DNA gels. The ladders are suitable with TBE, TAE, SB a...
Supplier:  VWR International
Description:   DNA ladders are supplied in a loading buffer that is ready to use on agarose and polyacrylamide DNA gels. The ladders are suitable with TBE, TAE, SB a...
Catalog Number: (97063-302)

Supplier:  VWR
Description:   10 fragments ranging from 50 to 500 bp for easy band identification
MSDS SDS
Supplier:  Avantor
Description:   These DNA markers are used to determine size of unknown DNA fragments. If using within 2–3 days, they do not need to be refrigerated and can be stored...
Catalog Number: (97063-054)

Supplier:  VWR
Description:   8 fragments ranging from 50 to 2000 bp for easy band identification
MSDS SDS

Supplier:  VWR
Description:   11 fragments ranging from 500 to 10,000 bp for easy band identification
MSDS SDS

Supplier:  VWR
Description:   10 fragments ranging from 1,503 to 48,502 bp for easy band identification
MSDS SDS
Supplier:  VWR
Description:   13 fragments ranging from 100 to 3000 bp for easy band identification.
MSDS SDS

Supplier:  VWR
Description:   A pre-mixture of DNA marker, loading buffer and a proprietary fluorescent DNA visualization dye that can be applied directly to the gel.
MSDS SDS
Supplier:  VWR
Description:   RiboReady™ Color Micro RNA Ladder is made for precise sizing of RNA molecules in denaturing acrylamide gels
MSDS SDS
UL Listed
Supplier:  Cytiva
Description:   pI markers are lyophilized mixtures of stable, salt-free, highly purified proteins.
MSDS SDS
Product available on GSA Advantage®
Supplier:  Agilent Technologies
Description:   Small RNA Diluent Marker, 4 mL. 1 nt lower marker. For use with the Fragment Analyzer systems and the DNF-470 kit.
New Product
Supplier:  Agilent Technologies
Description:   Markers, 35 bp & 1500 bp, 3.2 mL. 35 bp lower marker; 1,500 bp upper marker. For use with the Fragment Analyzer systems and the DNF-910 kit.
New Product
Supplier:  Agilent Technologies
Description:   100 bp DNA Ladder, 1 mL. 100-1,000 bp DNA Ladder for use with the Fragment Analyzer systems and the DNF-910, DNF-935 kits or the ZAG DNA Analyzer system and the ZAG-135 kit.
New Product

Supplier:  Rockland Immunochemical
Description:   Diamond DNA Ladder 100-1500bp
Supplier:  Cytiva
Description:   Rainbow™ molecular weight markers enable faster and simpler identification of proteins on SDS polyacrylamide gels. These ready to load markers provide...
MSDS SDS
Product available on GSA Advantage®
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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