Modified Nucleotides
5-Ethynyl-UTP Sodium Salt
Quick view. 5-Ethynyl-UTP Sodium Salt is an alkyne-bearing UTP analog for research-use RNA incorporation and subsequent azide-click labeling. CAS 1193451-16-9 identifies the sodium salt; CAS 1004955-96-7 identifies the free acid. CAS 1193451-16-9. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.
Product profile
5-Ethynyl-UTP Sodium Salt is classified as modified nucleotides.
5-Ethynyl-UTP Sodium Salt — Alkyne-bearing UTP analog for research-use RNA incorporation and subsequent azide-click labeling.
For 5-Ethynyl-UTP Sodium Salt, copper-catalyzed, copper-free or inverse-electron-demand click conditions can affect sensitive oligonucleotides differently; residual metal, solvent and purification strategy should be controlled.
Names and search terms
Confirmed or normalized name variants
- 5-EUTP
- 5-Ethynyl-uridine 5'-triphosphate sodium salt
Useful catalog search terms
- CAS 1193451-16-9
- free acid CAS 1004955-96-7
- C11H15N2O15P3
- Modified Nucleotides
Physicochemical data
| CAS (sodium salt) | 1193451-16-9 |
|---|---|
| CAS (free acid) | 1004955-96-7 |
| Molecular formula (free acid) | C11H15N2O15P3 |
| Molecular weight (free acid) | 508.16 |
| Chemical feature | Ethynyl group at the uracil 5-position |
Release documentation
The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.
Additional HPLC, MS or NMR documentation can be agreed during technical review where available.
Product-specific evaluation notes
Potential advantages
- Click-compatible handles separate oligonucleotide synthesis from late-stage labeling, which helps screen multiple payloads from a common intermediate.
Method limitations
- Copper-catalyzed, copper-free or inverse-electron-demand click conditions can affect sensitive oligonucleotides differently; residual metal, solvent and purification strategy should be controlled.
These points describe 5-Ethynyl-UTP Sodium Salt or its named chemical feature. Broader product-family guidance is maintained on the category page.
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Frequently asked questions
Can the package size for 5-Ethynyl-UTP Sodium Salt be customized?
Yes. Share the initial quantity, expected future scale, delivery timeline and packaging preference for review.
What information should be included in a quote request?
Quote catalog number BX-MODN-0157 and CAS 1193451-16-9, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Feature and workflow background
These publications discuss a broader chemistry feature or workflow identified from the catalog name or product family. They are background reading only, not evidence for the exact BX Lab product, supplied form, lot specification, availability or performance.
Technology platforms
Catalog-derived platform membership for navigating related chemistry and verifiable product sets.