BX Lab

DMTr-protected Nucleosides

3'-O-DMTr-dA(Bz)

Quick view. We supply 3'-O-DMTr-dA(Bz) as a DMTr-protected nucleoside intermediate for selective oligonucleotide building-block synthesis. CAS 140712-79-4. Catalog target purity: ≥95%.

Chemical structure of 3'-O-DMTr-dA(Bz)
Chemical structure
Catalog numberBX-PN-0020
CAS number140712-79-4
Purity≥95%
Pack sizeCustomized to customer requirements

Product profile

Material identity

3'-O-DMTr-dA(Bz) is classified as nucleoside or protected nucleoside intermediate (Formula C38H35N5O6; molecular weight 657.71).

Typical application

3'-O-DMTr-dA(Bz) can serve as a starting material, protected intermediate or analytical comparator in nucleoside and nucleotide route development.

Handling focus

For 3'-O-DMTr-dA(Bz), 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

Key chemistry motifsDMTr/DMT protection
Melting point125-126 °C
Density1.32±0.1 g/cm3(Predicted)
pKa14.44±0.10(Predicted)
InChIInChI=1S/C38H35N5O6/c1-46-29-17-13-27(14-18-29)38(26-11-7-4-8-12-26,28-15-19-30(47-2)20-16-28)49-31-21-33(48-32(31)22-44)43-24-41-34-35(39-23-40-36(34)43)42-37(45)25-9-5-3-6-10-25/h3-20,23-24,31-33,44H,21-22H2,1-2H3,(H,39,40,42,45)/t31-,32+,33+/m0/s
InChIKeyLFXBQKFIXWICJR-WIHCDAFUSA-N
SMILESCOC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=C(C=C3)OC)O[C@H]4C[C@@H](O[C@@H]4CO)N5C=NC6=C(N=CN=C65)NC(=O)C7=CC=CC=C7

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 3'-O-DMTr-dA(Bz) 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-0020 and CAS 140712-79-4, 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 DMTr-protected Nucleosides product family and its named chemistry.

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