Accuris qMax First Strand cDNA Synthesis Flex Kit, 200 reactions

Accuris qMax First Strand cDNA Synthesis Flex Kit, 200 reactions

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Due to a dramatic reduction in supply, stock numbers cannot be guaranteed. All purchases will be followed by an order confirmation with estimated ship date and you will be notified if stock is unavailable. All orders for healthcare products placed after January 24, 2020 are non-cancellable and non-returnable. Thank you for your continued cooperation and partnership.

Accuris qMax™ First Strand cDNA Synthesis Flex Kit

Description High quality, PCR ready cDNA is quickly generated with the Accuris qMax First Strand cDNA Synthesis Flex Kit. The exceptionally thermostable MMLV- derived qMax High Capacity Reverse Transcriptase combined with a potent RNase inhibitor allows for transcription to take place at higher temperatures (alleviating secondary structure problems) and maintains the integrity of the total RNA. The 5X buffer provides the perfect environment for highly efficient cDNA synthesis and greater yields. The buffer is optimized for superior data accuracy and reproducibility with a wide range of RNA sources.

  • Separate solutions of oligo (dT) primers and random hexamer primers for greater flexibility in assay design.
  • Input range of 10pg to 2μg of total RNA
  • Thermostable, high capacity reverse transcriptase and optimized next generation buffer system provide consistent, high yields of fragments up to 9Kb in length

Upon receipt, immediately store at -20°C. Avoid excessive freeze/thaw cycles. When stored as directed, this product will retain its activity for 12 months from date of receipt.

Limitations of Use
For research purposes only. Not intended for therapeutic or diagnostic use.

Quality Control
Accuris enzymes and reagents are tested under general assay conditions for activity, reproducibility, efficiency, heat activation, sensitivity, and absence of nuclease contamination and nuclease activity. This product is manufactured under a comprehensive quality management system, following ISO 9001:2008 standards. Accuris is not responsible for consequential or incidental damages, direct or indirect, resulting from use of this product. Accuris guarantees the performance of this product as described when used in accordance with these instructions.

General Guidelines
The cDNA Synthesis Kit is supplied with a specially formulated 5X buffer. This buffer has been optimized to work with the RT provided in the kit and contains optimal levels of dNTPs, 20mM MgCl2, stabilizers and enhancers. High quality cDNA can be produced with maximum efficiency using this buffer and RT. The use of other additives is not required or recommended.
The First Strand cDNA Synthesis Flex Kit works optimally with 10pg to 2.0μg of total RNA or 5pg to 0.5μg of oligo (dT) purified mRNA. If input RNA is in excess of 2.0μg in a 20μl reaction volume, best results will be obtained by increasing the suggested amount of high capacity reverse transcriptase by 1.5 to 2 times.
Reaction conditions
Most reactions can be carried out at a temperature of 42°C for 60 minutes. When working with templates that have a high GC content (above 65%), the temperature should be increased to 45°C to alleviate any problems associated with secondary structure. For random hexaprimers, incubate for 10 minutes at 25°C and then increase the temperature to 42°C for 60 minutes.
Analysis by qPCR A cDNA synthesis reaction produces enough cDNA for analysis by real time PCR as well as other down stream processing reactions. For a 20μl qPCR reaction, using 2.0 to 4.0μl of the cDNA synthesis reaction product is recommended. cDNA may be stored at 4°C for 1 week or -20°C longer term. Accuris offers a full line of qPCR enzymes.

Reaction Setup
Allow kit components to thaw and briefly vortex/centrifuge. Keep tubes on ice.

RNA/Primer Mix - Combine components in a nuclease-free microtube on ice:

RNA Template 10pg to 2.0μg Total RNA 5pg to 0.5μg mRNA
Random Hexaprimer or oligo (dT) 2μl Use 3μl for >2μg RNA
PCR grade water to 12μl final volume

Note: Briefly vortex and centrifuge. Heat RNA/primer mix to 70°C for 2 minutes then return to ice. This will help to relax secondary structure.

RTase Mix - In a separate tube, prepare the RT Mix, according to number of rxns (8μl/rxn)

5X RT Buffer 4μl
High Capacity RT 1.0μl Use 2μl for >2μg RNA
PCR grade water to 8μl final volume

Note: Be sure to prepare sufficient RT mix for your total number of reactions. For 96 reactions, 768μl is required. Calculate for a small excess to account for possible pipetting loss.

  1. Add 8μl RT Mix to 12μl RNA/Primer Mix for a total reaction volume of 20μl. Mix gently.
  2. If using random hexaprimers, incubate for 10 minutes at 25°C.
  3. Incubate 42°C for 60 minutes (45°C for high amounts of secondary structure).
  4. Denature 70°C for 10 minutes.

The resulting cDNA can be stored and/or an aliquot can be used for qPCR using Accuris qMax qPCR products.

Package contents and reordering
The Accuris qMax First Strand cDNA Synthesis Flex Kit is available in 50 and 200 reaction packs. Kit includes high capacity reverse transcriptase (100u/μl), optimized 5X buffer, random Hexaprimer 20μM and oligo (dT) primer 20μm.

Accuris qMax First Strand cDNA Synthesis Flex Kit, 200 reaction pack contains FOUR of the 50-reaction packs, each of which contain:

  • 50μl of RT, 200μl 5X buffer, 100μl
  • Random Hexaprimers and 100μl Oligo (dT)
  • Primers

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