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igScript™ Probe-Based RT-qPCR Kit


igScript™ Probe-Based qPCR master mix provides improved PCR efficiency, wider dynamic range, superior sensitivity and specificity.

    50 reactions (20 µl rxn vol) - $199.00 (Cat.# 4243 )

    100 reactions (20 µl rxn vol) - $319.00 (Cat.# 4245 )

    500 reactions (20 µl rxn vol) - $1399.00 (Cat.# 4247 )


IgScript™ probe-based RT-qPCR kit combines two powerful mixtures: i). IgScript™ first strand cDNA synthesis kit and ii) probe-based qPCR 2x master mix with standard buffer providing improved PCR efficiency, wider dynamic range, superior sensitivity and specificity. The two mixtures require minimal handling during reaction setup and offer consistent and robust RT-qPCR reactions.

IgScript™ first strand cDNA synthesis kit includes 5x IgScript™ master mix which contains IgScript™ Reverse Transcriptase, RNase inhibitor, dNTPs, an optimized buffer, MgCl2 and protein stabilizers. IgScript™ Reverse Transcriptase is a recombinant MMLV reverse transcriptase with reduced RNase H activity and increased thermostability. The kit also provides two optimized primers and nucleasefree water. An anchored Oligo-dT primer [d(T)23VN] forces the primer to anneal to the beginning of the polyA tail and the random hexamer primer mix provides random and consistent priming sites covering the entire RNA templates including both mRNAs and non-polyadenylated RNAs. The kit is highly efficient at producing full-length cDNA from long RNA templates at temperatures between 42-50 ºC.

Probe-based qPCR 2x master mix is a ready-to-use cocktail containing all components except primers and template, for the amplification and detection of DNA. This 2x master mix includes proprietary buffer, Taq DNA polymerase, low ROX reference dye, MgCl2, dNTPs, stabilizers and enhancers.

Product Includes

  • 5x IgScript™ master mix
  • Oligo d(t)23 VN primer (50 µM)
  • Random Hexamer primer mix (60 µM)
  • Probe-based qPCR 2X Master Mix
  • Nuclease Free Water


  • Gene expression data validation.
  • Multiplexing
  • Mutation detection
  • Pathogen and viral detection
  • Genetically modified organisms (GMO) characterization and Genetic profiling


  • Enhanced efficiency, specificity, and sensitivity
  • Compatible with all real-time PCR instruments
  • Superior gene expression results under various cycling conditions
  • Robust and active for cDNA synthesis at temperatures up to 50°C

 Storage Temperature
–20 °C4213 4215 4217 4219

Additional information


50 reactions (20 µl rxn vol), 100 reactions (20 µl rxn vol), 500 reactions (20 µl rxn vol), 5000 reactions (20 µl rxn vol)


(A). First strand cDNA synthesis:
1. In sterile micro-centrifuge tube, add the following components on ice:

cDNA Synthesis Probe Based RT-qPCR Kit

2. If using random hexamers, incubate the reaction mixture at 25°C for
10 minutes, then proceed to step 3.
3. Incubate the reaction mixture at temperatures between 42°C to 50°C for 30-60 minutes.
4. Inactivate the reaction by incubating at 65°C for 20 minutes.
5. Store products at –20C or proceed to next step.

(B). PCR Amplification:

1. Place all kit components and cDNA samples on ice.
2. Mix and then centrifuge briefly to collect contents at the bottom of the tube.
3. Prepare a master mix for each reaction and control reaction plus 10% extra to allow for pipetting error according to the following table:

PCR REaction Set Up Synthesis Probe Based RT-qpcr

4. Mix the reaction mixture thoroughly.
5. Program the thermal cycler according to the manufacturer’s instructions.
6. A typical PCR cycling program is outlined in the following table.

 PCR-cycling-conditions-Synthesis-Probe-Based-RT-qPCR-Kit.png March 26, 2020

7. Place the PCR tubes in the thermal cycler and start the cycling program.
8. Analyze the data according to the manufacturer’s protocol.

* For 3 step cycling protocols, anneal at optimal annealing temperature for 30 sec followed by the minimum time required for data acquisition at 72 ºC according to instrument guidelines.

igScript™ Probe-Based RT-qPCR Kit

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