Product Index PrimeScript cDNA synthesis kits We offer a variety of PrimeScript cDNA synthesis kits, including kits for two-step RT-PCR, first-strand cDNA synthesis, one-step RT-PCR, and double-stranded cDNA synthesis. Products PrimeScript IV first-strand cDNA synthesis mix PrimeScript two-step kit PrimeScript high-fidelity two-step kit PrimeScript 1st strand cDNA Synthesis Kit PrimeScript one-step kit PrimeScript Double Strand cDNA Synthesis Kit