Quick-Load® Purple 1 kb Plus DNA Ladder


Catalog # Size Concentration Price (£)
N0550S 250 GEL LANES 100 µg/ml £67.00
N0550L 750 GEL LANES 100 µg/ml £165.00

Want to try this product?  Request a sample

  • Convenient, ready-to-load format with NEB's proprietary purple loading dye

  • Size range: 100 bp to 10 kb (100 bp and 1 kb ladder in one!)

  • Sharp bands

  • No UV Shadow

  • Easy to identify reference bands

  • Supplied with 1 vial of Gel Loading Dye, Purple (6X), no SDS (NEB #B7025)

  • Small size suitable for 250 gel lanes; large size suitable for 750 gel lanes


Quick-Load Purple 1 kb Plus DNA Ladder is a pre-mixed, ready-to-load molecular weight marker containing one tracking dye. Tracking dye does not leave a shadow under UV light.

Quick-Load Purple 1 kb Plus DNA Ladder consists of proprietary plasmids, which are digested to completion with appropriate restriction enzymes to yield 19 bands suitable for use as molecular weight standards for agarose gel electrophoresis. The digested DNA includes fragments ranging from 100 bp to 10 kb. The 0.5, 1.0 and 3.0 kb bands have increased intensity to serve as reference bands.

  • Recommended gel percentage range: 1-1.4%

  • Optimum separation on 1.2% 

N3200_thumb 1 kb Plus DNA Ladder visualized by ethidium bromide staining on a 1.0% TBE agarose gel.
Mass values are for 1 µg/lane.

Suggested Load: 5 to 10 µl/lane.


Reagents Supplied

The following reagents are supplied with this product:


Component Name

Component #

Stored at (°C)



Properties & Usage

Related Products

Product Notes


Selection Charts

Selection Charts

Quality Control Assays

Certificate of Analysis

Specifications & Change Notifications

The Specification sheet is a document that includes the storage temperature, shelf life and the specifications designated for the product. The following file naming structure is used to name these document files: [Product Number]_[Size]_[Version]

The following link is to a PDF Safety Data Sheet (SDS) that applies to this product to help you use it safely.

Legal and Disclaimers