BX Lab

Protected Nucleosides

5'-O-DMTr-2'-O-TBDMS-rC(Ac)

Quick view. We supply 5'-O-DMTr-2'-O-TBDMS-rC(Ac) as an acetyl-protected cytidine intermediate for RNA amidite production. CAS 121058-85-3. Catalog target purity: ≥95%.

Chemical structure of 5'-O-DMTr-2'-O-TBDMS-rC(Ac)
Chemical structure
Catalog numberBX-PN-0043
CAS number121058-85-3
Purity≥95%
Pack sizeCustomized to customer requirements

Product profile

Material identity

5'-O-DMTr-2'-O-TBDMS-rC(Ac) is classified as nucleoside or protected nucleoside intermediate (Formula C38H47N3O8Si; molecular weight 701.88).

Typical application

5'-O-DMTr-2'-O-TBDMS-rC(Ac) can serve as a starting material, protected intermediate or analytical comparator in nucleoside and nucleotide route development.

Handling focus

For 5'-O-DMTr-2'-O-TBDMS-rC(Ac), reported solubility: DMSO: 100 mg/mL (142.47 mM; Need ultrasonic). Storage: 2-8°C.

Names and search terms

Confirmed or normalized name variants

Useful catalog search terms

Physicochemical data

Key chemistry motifsDMTr/DMT protection; TBDMS protection
Density1.19±0.1 g/cm3(Predicted)
pKa10.18±0.20(Predicted)
FormSolid
ColorWhite to off-white
SMILESO(C(C1=CC=C(OC)C=C1)(C1=CC=C(OC)C=C1)C1=CC=CC=C1)C[C@H]1O[C@@H](N2C=CC(NC(C)=O)=NC2=O)[C@H](O[Si](C(C)(C)C)(C)C)[C@@H]1O |&1:25,27,39,48,r|
InChIKeyZFRWPAYPCFTQHK-XOBDVEPQNA-N
InChIInChI=1S/C38H47N3O8Si/c1-25(42)39-32-22-23-41(36(44)40-32)35-34(49-50(7,8)37(2,3)4)33(43)31(48-35)24-47-38(26-12-10-9-11-13-26,27-14-18-29(45-5)19-15-27)28-16-20-30(46-6)21-17-28/h9-23,31,33-35,43H,24H2,1-8H3,(H,39,40,42,44)/t31-,33-,34-,35-/m1/s

Release documentation

Lot-specific CoA

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

Additional specification notes
  • We release this product against the stated purity specification; the lot-specific CoA provides the result and analytical basis.
Analytical package

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

Additional application examples

Related products

Frequently asked questions

Can the package size for 5'-O-DMTr-2'-O-TBDMS-rC(Ac) 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-PN-0043 and CAS 121058-85-3, 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 Protected Nucleosides product family and its named chemistry.

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