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2'-O-Me Phosphoramidites

2'-O-Me-2-thio-U-3'-phosphoramidite

Quick view. A protected 2'-O-methyl-2-thiouridine phosphoramidite bearing a 5'-O-DMTr group. CAS 302918-84-9. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.

Chemical structure of 2'-O-Me-2-thio-U-3'-phosphoramidite
Chemical structure
Catalog numberBX-2MEP-0004
CAS number302918-84-9
Purity≥98%
Pack sizeCustom packaging by inquiry

Product profile

Material identity

2'-O-Me-2-thio-U-3'-phosphoramidite is classified as protected 2'-o-methyl-2-thiouridine phosphoramidite (Formula C40H49N4O8PS; molecular weight 776.90 g/mol).

Typical application

2'-O-Me-2-thio-U-3'-phosphoramidite supports modified RNA/antisense designs where methylated ribose positions are used to improve stability or reduce unwanted immune stimulation.

Handling focus

For 2'-O-Me-2-thio-U-3'-phosphoramidite, excessive or poorly positioned substitution can reduce desired enzyme interactions or activity in some assay formats.

Names and search terms

Useful catalog search terms

Physicochemical data

PubChem CID12043013
IUPAC name3-[[(2R,3R,4R,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-methoxy-5-(4-oxo-2-sulfanylidenepyrimidin-1-yl)oxolan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile
InChIKeyDWDMFECIJNQDJC-GFIGKZKCSA-N
InChIInChI=1S/C40H49N4O8PS/c1-27(2)44(28(3)4)53(50-25-11-23-41)52-36-34(51-38(37(36)48-7)43-24-22-35(45)42-39(43)54)26-49-40(29-12-9-8-10-13-29,30-14-18-32(46-5)19-15-30)31-16-20-33(47-6)21-17-31/h8-10,12-22,24,27-28,34,36-38H,11,25-26H2,1-7H3,(H,42,45,54)/t34-,36-,37-,38-,53?/m1/s1
SMILESCC(C)N(C(C)C)P(OCCC#N)O[C@@H]1[C@H](O[C@H]([C@@H]1OC)N2C=CC(=O)NC2=S)COC(C3=CC=CC=C3)(C4=CC=C(C=C4)OC)C5=CC=C(C=C5)OC

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.

Product-specific evaluation notes

Potential advantages

Method limitations

These points describe 2'-O-Me-2-thio-U-3'-phosphoramidite or its named chemical feature. Broader product-family guidance is maintained on the category page.

Related products

Frequently asked questions

Can the package size for 2'-O-Me-2-thio-U-3'-phosphoramidite 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-2MEP-0004 and CAS 302918-84-9, 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 2'-O-Me Phosphoramidites 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.