Accurately determine the size of your PCR fragment with Sigma's Molecular weight markers. Our line of DNA and RNA molecular weight markers allow you to select the right marker for your gel.
- Flexibility to Meet Your Needs – DNA or RNA markers available in a wide-range of sizes (<20 bp up to 10,000 bp).
- Lot Specific Validation – Fully validated for size determination of nucleic acid.
PCR Low DNA Ladders
DNA Ladders
DNA Markers
Ribosomal RNA Markers
RNA Markers
PCR Low DNA Ladders
| Product Name |
Product No. |
| PCR 100 bp Low Ladder |
P1473 |
| PCR 20 bp Low Ladder |
P1598 |
| PCR Low Ladder Set |
D7808 |
DNA Ladders
| Product Name |
Product No. |
| 123 bp Ladder |
D5042 |
| 1 kb Ladder |
D0428 |
| Step Ladder, 50 bp |
S7025 |
DNA Markers
| Product Name |
Product No. |
| pUC18 DNA Dpn I digest |
D6683 |
| DirectLoad™ Wide Range DNA Marker, 50 - 10,000 bp |
D7058 |
Ribosomal RNA Markers
| Product Name |
Product No. |
| 5S Ribosomal RNA from Escherichia coli |
R8385 |
| 18S + 28S Ribosomal RNA from calf liver |
R0889 |
RNA Markers
| Product Name |
Product No. |
| Transcript RNA Markers 0.1-1 kb |
R6895 |
| Transcript RNA Markers 0.2-10 kb |
R7020 |
| Transcript RNA Markers 0.28-6.6 kb |
R7644 |
| RNA Marker template set |
R4142 |
PCR Home Page | Routine Amplification | Human Genomic DNA | Long & Accurate PCR Reagents | Hot Start PCR | RT-PCR | Quantitative PCR | Specialty Enzymes | Ultrapure Nucleotides | PCR Reaction Components | PCR Lab Equipment | DNA/RNA Molecular Weight Markers | Whole Genome Amplification