(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide
(R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide (CAS 98674-82-9), with the molecular formula C12H17O5P and a molecular weight of 272.23, is a chiral building block employed in asymmetric synthesis and general chemical synthesis. Its specific stereochemistry makes it a valuable intermediate for creating complex organic molecules. Tech Serve Solutions supplies this compound for research and development purposes.
- Synonyms
- 2-dioxaphosphorinane 2-oxide,98674-82-9

Asymmetric Synthesis
Utilised as a chiral building block in stereoselective synthetic routes. It facilitates the creation of enantiomerically enriched target molecules.
Organic Synthesis Intermediate
Serves as a key intermediate in the construction of complex organic frameworks. Its phosphorinane oxide structure offers unique reactivity for various chemical transformations.
Chiral Pool Synthesis
A valuable component in the chiral pool, enabling the introduction of specific stereocentres into organic molecules.
| Molecular weight | 272.23 |
|---|---|
| Empirical formula | C12H17O5P |
| Assay | 97% |
| Optical activity | [α]23/D +58°, c = 1 in methanol |
| Storage temperature | 2-8°C |
| Melting point | 197-200 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (R)-(+)-2-Hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide used for?
+
This compound is primarily used as a chiral building block in asymmetric synthesis and general organic chemical synthesis.
What is the CAS number and formula for this chemical?
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The CAS number is 98674-82-9 and the empirical formula is C12H17O5P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a minimum purity of 97%. It is supplied as a research-grade chemical and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should this chemical be handled safely?
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This compound is classified as a Warning, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handling requires appropriate PPE, including a dust mask (N95), eyeshields, and gloves. Ensure adequate ventilation.
How is this product typically packed and shipped?
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This chemical is stored at 2-8°C and is available for global export.
How can I request a sample or a quote?
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Please contact Tech Serve Solutions directly through our website or sales department to request a sample or a quotation.
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