BX Lab

Linker Phosphoramidites

5'-Maleimide-Modifier Phosphoramidite

Quick view. 5'-Maleimide-Modifier Phosphoramidite is a protected maleimide phosphoramidite identified by CAS 1316303-83-9 for oligonucleotide synthesis research. CAS 1316303-83-9. Catalog target purity: ≥98%. Availability: Inquiry only; contact BX Lab to confirm current availability.

Structure and identity

The structure drawing for this item is being finalized. Use the CAS number and machine-readable identifiers below to confirm the requested protecting groups, stereochemistry, salt or counterion and hydration state before ordering.

Identifiers available

CAS, molecular formula, SMILES or InChI data are shown below when available.

Identity control

We withhold a drawing when a related compound, alternate salt or incompletely specified stereoisomer could be mistaken for the requested material.

Qualification output

Agreed identity and purity criteria are documented in the quotation, specification and lot-specific data package.

Catalog numberBX-LP-0039
CAS number1316303-83-9
Purity≥98%
Pack sizeCustom packaging by inquiry

Product profile

Material identity

5'-Maleimide-Modifier Phosphoramidite is classified as linker phosphoramidites (Formula C21H32N3O5P; molecular weight 437.47).

Typical application

5'-Maleimide-Modifier Phosphoramidite — Reference use: introduction of a protected 5' maleimide functionality during oligonucleotide synthesis for subsequent thiol conjugation studies.

Handling focus

For 5'-Maleimide-Modifier Phosphoramidite, functional handles may require orthogonal protection, pH control and rapid purification to avoid hydrolysis, oxidation or cross-reaction.

Names and search terms

Confirmed or normalized name variants

Useful catalog search terms

Physicochemical data

Product-form boundaryProtected maleimide Diels-Alder adduct; distinct from the post-retro-Diels-Alder maleimide

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 5'-Maleimide-Modifier 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 5'-Maleimide-Modifier 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-LP-0039 and CAS 1316303-83-9, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.

Product-relevant literature

The publications below discuss named chemistry or a structural feature represented by this product. They provide scientific context only and are not a BX Lab lot specification or product-performance claim.

Request a quote

Technology platforms

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