Other Modified Nucleosides
3'-O-NH₂-2'-dT
Quick view. We supply 3'-O-NH₂-2'-dT as a 3'-O-amino thymidine analog for reversible terminator and polymerase method development. CAS 103251-38-3. Catalog target purity: ≥98%.

Product profile
3'-O-NH₂-2'-dT is classified as nucleoside or protected nucleoside intermediate (Formula C10H15N3O5; molecular weight 257.24).
3'-O-NH₂-2'-dT can serve as a starting material, protected intermediate or analytical comparator in nucleoside and nucleotide route development.
For 3'-O-NH₂-2'-dT, confirm the current specification, storage conditions and downstream-method compatibility before routine use.
Names and search terms
Confirmed or normalized name variants
- 3'-O-Amino-dT
- 3'-O-Aminothymidine
- Thymidine, 3'-O-amino-
- 3'-O-Amino-2'-deoxythymidine
- 1-(3-O-Amino-2-deoxypentofuranosyl)-4-hydroxy-5-methylpyrimidin-2(1H)-one
Useful catalog search terms
- CAS 103251-38-3
- Nucleoside or protected nucleoside intermediate
- Other Modified Nucleosides
Physicochemical data
| InChI | InChI=1S/C10H15N3O5/c1-5-3-13(10(16)12-9(5)15)8-2-6(18-11)7(4-14)17-8/h,6-8,14H,2,4,11H2,1H3,(H,12,15,16)/t6-,7+,8+/m0/s |
|---|---|
| InChIKey | WJNVTCDSMIGOMY-XLPZGREQSA-N |
| SMILES | CC1=CN(C(=O)NC1=O)[C@H]2C[C@@H]([C@H](O2)CO)ON |
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.
Additional application examples
- Typical work includes protection/deprotection studies, phosphorylation or phosphitylation route scouting and impurity identification.
- The material can support medicinal-chemistry analog preparation and process-development feasibility studies.
Related products
3'-O-NH₂-2'-dA
Other Modified Nucleosides · CAS: 132471-87-5
BX-MN-00113'-O-NH₂-2'-dC
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BX-MN-00123'-O-NH₂-2'-dG
Other Modified Nucleosides · CAS: 132471-91-1
BX-MN-00143'-O-Phthalimido-2'-dA
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BX-MN-00153'-O-Phthalimido-2'-dG
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BX-MN-00163'-O-phthalimido-2'-dC
Other Modified Nucleosides · CAS: 1220515-69-4
Frequently asked questions
Can the package size for 3'-O-NH₂-2'-dT 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-0013 and CAS 103251-38-3, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Product-family literature
The publications below provide peer-reviewed context for the Other Modified Nucleosides product family and its named chemistry.
