The PR2121-N-S is the trial / sample-size SKU of the Accuris qMAX Probe No ROX One-Step RT-qPCR Kit family — 10-reaction pack for first-use evaluation on Bio-Rad CFX / Roche / Stratagene Mx / Eppendorf / Qiagen cyclers (the dominant research-grade cycler family).
For complete chemistry rationale, see the PR2121-H-100 parent page.
Key Specifications
| SKU | PR2121-N-S |
| Type | Sample / trial pack — qMAX Probe One-Step RT-qPCR Kit, No ROX |
| Pack quantity | 10 reactions |
| ROX level | No ROX — Bio-Rad CFX, Roche, Stratagene Mx, Eppendorf, Qiagen |
| Per-reaction cost (sample) | $2.02 |
| Sister sample SKUs (all $20) | PR2121-L-S (Low ROX), PR2121-H-S (High ROX) |
| Cross-chemistry sister sample | PR2120-N-S (qMAX Green One-Step RT-qPCR No ROX, $20) |
| Production-scale follow-on | PR2121-N-100 ($189), PR2121-N-500 ($821), PR2121-N-1000 ($1,506) |
| List price | $20 |
Most-Procured Probe-Based RT-qPCR Sample SKU
The PR2121-N-S sample is the most-frequently-ordered probe-based One-Step RT-qPCR sample because Bio-Rad CFX is the dominant research-grade qPCR cycler.
ROX-Variant Sample Triad
| Sample SKU | ROX | Compatible cycler family |
| PR2121-N-S (this product) | No ROX | Bio-Rad CFX, Roche, Stratagene Mx, Eppendorf, Qiagen |
| PR2121-L-S | Low ROX | ABI ViiA 7, QuantStudio, ABI 7500 Fast |
| PR2121-H-S | High ROX | ABI 7300 / 7500 Standard / 7700 / 7900 |
Probe vs Green Sample Pairing
Pair with PR2120-N-S ($20) for Green vs Probe One-Step RT-qPCR chemistry comparison on Bio-Rad CFX (or other No ROX cycler).
Application Profile
See PR2121-H-100 parent page.
Ordering & Configuration
Single-use sample SKU. 10-reaction pack supports a meaningful probe-based One-Step RT-qPCR validation run.
Probe inventory. Operator supplies sequence-specific probes.
Cycler-compatibility confirmation. Critical that No ROX matches the cycler.
Storage. -20 °C, RNase-free handling, protect from light.
Confirm at quote: cycler model and ROX requirement, evaluation intent, and lead time.
Warranty: Per Accuris standard reagent terms — confirm at quote.
Accuris qMAX Probe One-Step RT-qPCR sample triad (all $20):
- PR2121-N-S (this product) — No ROX (Bio-Rad CFX / Roche / Stratagene Mx / Eppendorf / Qiagen)
- PR2121-L-S — Low ROX
- PR2121-H-S — High ROX
Pick the No ROX sample for Bio-Rad CFX-based labs (largest installed-base); pair with PR2120-N-S for Green vs Probe chemistry comparison.