BIOAGENS / primer3

Primer3 GUI

Sign in with your Bioagens account to design PCR/qPCR primers.

/ PCR & qPCR Primer Design

Primer3 GUI

Paste a template sequence (raw or single-record FASTA), set your Tm / size / GC targets, and get ranked primer pairs straight from the Primer3 engine.

0 bp
Primer size (bp) — min / opt / max
Melting temp Tm (°C) — min / opt / max
GC content (%) — min / opt / max
Product size range (bp)
Primer pairs to return

Results will appear here.
Running Primer3...
primer pairs found
# Left primer (5'→3') Right primer (5'→3') Product Tm L/R GC% L/R Penalty