OROGO PRODUCT DIRECTORY

Stereodefined PS Phosphoramidites

Stereocontrolled phosphorothioate synthesis reagents and activators, including PSI-ψ- and CMPT-type chemistry, for research-use oligonucleotide method development. Confirm the exact identity, supplied form, specification, package and current availability on the product page or by inquiry.

Products30

PlatformStereodefined PS

Product formPhosphoramidites

Use scopeResearch use only

Category guide

Typical use

Stereopure PS reagents and activators support research into stereodefined phosphorothioate linkage formation and route evaluation in oligonucleotide synthesis.

How to select

Confirm the reagent family, target backbone configuration, compatible activation and coupling conditions, solvent system, monomer set and sequence context.

How to qualify

Confirm identity, assay and stereochemical specification; control moisture and solution age; then verify conversion and stereochemical outcome on representative sequences.

Product-family considerations

Common advantages

Provides a dedicated category for PSI-ψ- and CMPT-type research workflows instead of mixing stereocontrolled PS chemistry with general sulfurizing reagents.
Supports method comparison around reagent family, activation conditions, sequence context and target phosphorothioate configuration.

Common limitations

Performance and stereochemical outcome are workflow-specific and require validation with the intended monomers, sequence, solvent system and synthesis platform.
Research-use material and method information do not replace product-specific specifications, handling controls or user qualification.

Selection checklist

Exact identity	Match the canonical name with a CAS number, structure, SMILES or drawing; confirm stereochemistry, protecting groups and salt form where applicable.
Specification	Define target purity, analytical method, water or residual-solvent concerns and application-specific acceptance limits.
Workflow fit	Share the reaction, enzyme, sequence, solvent system, support or analytical method used to evaluate compatibility.
Supply need	Provide initial quantity, expected future scale, packaging preference, timeline and documentation requirements.

Product comparison

This snapshot compares up to eight products using published catalog fields only. Confirm the exact supplied form, pack size, specification and current availability by inquiry.

Swipe or scroll horizontally to compare all fields.

Product name	OR catalog no.	CAS	Purity / specification	Supply status
5'-O-DMTr-2'-F-dA 3'-(D)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0001	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dC 3'-(D)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0002	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dG 3'-(D)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0003	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dU 3'-(D)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0004	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dA 3'-(L)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0005	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dC 3'-(L)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0006	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-F-dU 3'-(L)-PSM oxazaphospholidine phosphoramidite	OR-SPP-0007	N/A	Specification by inquiry	Inquiry only
5'-O-DMTr-2'-O-MOE-A 3'-(D)-DPSE oxazaphospholidine phosphoramidite	OR-SPP-0008	N/A	Specification by inquiry	Inquiry only

Related stereodefined phosphoramidites

This directory contains 30 dedicated Stereodefined PS records. Another 23 reviewed DPSE or PSM phosphoramidites are filed under their 2′-F, 2′-O-MOE or 2′-O-Me chemistry directories, giving 53 catalog records in the catalog-wide stereodefined filter without duplicating their primary taxonomy assignment.

Browse all 53 stereodefined phosphoramidites