Modified Nucleosides
4-Thiothymidine
Quick view. A 2'-deoxythymidine nucleoside in which the pyrimidine C4 carbonyl oxygen is replaced by sulfur. CAS 7236-57-9. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.
Product profile
4-Thiothymidine is classified as 4-thio-2'-deoxythymidine nucleoside (Formula C10H14N2O4S; molecular weight 258.30 g/mol).
4-Thiothymidine is associated with thymidine-containing building blocks or substrates for DNA synthesis and analytical comparison.
For 4-Thiothymidine, confirm the current specification, storage conditions and downstream-method compatibility before routine use.
Names and search terms
Confirmed or normalized name variants
- 4-Thiodeoxythymidine
- Deoxy-4-thiothymidine
- 4-Thio-D-thymidine
Useful catalog search terms
- 7236-57-9
- AVKSPBJBGGHUMW-XLPZGREQSA-N
Physicochemical data
| PubChem CID | 3034569 |
|---|---|
| IUPAC name | 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methyl-4-sulfanylidenepyrimidin-2-one |
| InChIKey | AVKSPBJBGGHUMW-XLPZGREQSA-N |
| InChI | InChI=1S/C10H14N2O4S/c1-5-3-12(10(15)11-9(5)17)8-2-6(14)7(4-13)16-8/h3,6-8,13-14H,2,4H2,1H3,(H,11,15,17) |
| SMILES | Cc1cn(C2CC(O)C(CO)O2)c(=O)nc1S |
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.
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Frequently asked questions
Can the package size for 4-Thiothymidine 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-MN-0659 and CAS 7236-57-9, 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 Modified 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.