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Modified Nucleosides

2-Thiouridine

Quick view. Uridine derivative in which sulfur replaces the C2 carbonyl oxygen of the uracil base, with free 2', 3', and 5' hydroxyl groups. CAS 20235-78-3. Catalog target purity: By inquiry. Availability: Inquiry only — contact OROGO to confirm current availability.

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Structure of 2-thiouridine
Chemical structure
Catalog numberOR-GSS-0044
CAS number20235-78-3
PurityBy inquiry
Pack sizeCustom packaging by inquiry

Product profile

Material identity

2-Thiouridine is classified as modified nucleosides (Formula C9H12N2O5S; molecular weight 260.27 g/mol).

Typical application

2-Thiouridine is associated with uridine-containing substrates for U-position incorporation in RNA or modified RNA studies.

Handling focus

For 2-Thiouridine, confirm the current specification, storage conditions and downstream-method compatibility before routine use.

Names and search terms

Confirmed or normalized name variants

Useful catalog search terms

Physicochemical data

Nucleobase modificationUracil C2 thione
Sugarbeta-D-ribofuranose
Hydroxyl state2', 3', and 5' hydroxyl groups unprotected
InChIInChI=1S/C9H12N2O5S/c12-3-4-6(14)7(15)8(16-4)11-2-1-5(13)10-9(11)17/h1-2,4,6-8,12,14-15H,3H2,(H,10,13,17)/t4-,6-,7-,8-/m1/s1
InChIKeyGJTBSTBJLVYKAU-XVFCMESISA-N
SMILESC1=CN(C(=S)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O

Release documentation

Lot-specific CoA

The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.

Analytical package

Additional HPLC, MS or NMR documentation can be agreed during technical review where available.

Related products

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.

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Technology platforms

Catalog-derived platform membership for navigating related chemistry and verifiable product sets.