Halogenated Nucleosides
5-Fluoro-4'-thio-cytidine
Quick view. 5-Fluoro-4'-thio-cytidine is listed for research-use inquiry under Halogenated Nucleosides. Its identity is controlled by the retained exact structure and product-form evidence because no public CAS Registry Number is assigned. A public CAS number is not assigned for this exact form. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.
Product profile
5-Fluoro-4'-thio-cytidine is classified as halogenated nucleosides (Formula C9H12FN3O4S; molecular weight 277.28).
5-Fluoro-4'-thio-cytidine is commonly assessed in siRNA, antisense and aptamer-style designs where ribose modification is used to tune stability and binding.
For 5-Fluoro-4'-thio-cytidine, coupling, deprotection and biological performance remain sequence- and position-dependent.
Physicochemical data
| CAS status | No public CAS assigned |
|---|---|
| Identity control | Reviewed exact name, structure, and product form |
| InChIKey | QDVOFRWTPUEFTR-UAKXSSHOSA-N |
| InChI | InChI=1S/C9H12FN3O4S/c10-3-1-13(9(17)12-7(3)11)8-6(16)5(15)4(2-14)18-8/h1,4-6,8,14-16H,2H2,(H2,11,12,17)/t4-,5-,6-,8-/m1/s1 |
| SMILES | C1=C(C(=NC(=O)N1[C@H]2[C@@H]([C@@H]([C@H](S2)CO)O)O)N)F |
| Canonical SMILES | C1=C(C(=NC(=O)N1[C@H]2[C@@H]([C@@H]([C@H](S2)CO)O)O)N)F |
| PubChem CID | 170901572 |
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
- 2′-fluoro motifs can improve nuclease resistance while preserving RNA-like geometry in many sequence contexts.
Method limitations
- Coupling, deprotection and biological performance remain sequence- and position-dependent.
These points describe 5-Fluoro-4'-thio-cytidine or its named chemical feature. Broader product-family guidance is maintained on the category page.
Related products
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BX-HN-00042'-Chloro-2'-deoxycytidine
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BX-HN-00055-Bromo-2'-deoxycytidine
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BX-HN-01535-Fluoro-2'-deoxycytidine
Halogenated Nucleosides · CAS: 10356-76-0
Frequently asked questions
Can the package size for 5-Fluoro-4'-thio-cytidine 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-HN-0237, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Product-family literature
These publications provide peer-reviewed context for the Halogenated Nucleosides product family and its named chemistry. They are background reading only, not evidence for the exact product, supplied form, lot specification, availability or performance.
Technology platforms
Catalog-derived platform membership for navigating related chemistry and verifiable product sets.