Methyl (R)-(+)-2-isocyanato-3-phenylpropionate
Methyl (R)-(+)-2-isocyanato-3-phenylpropionate (CAS: 361456-36-2) is a chiral isocyanate with the formula C6H5CH2CH(NCO)CO2CH3 and a molecular weight of 205.21 g/mol. This compound is valuable in organic synthesis, particularly for constructing complex chiral molecules. It serves as a versatile building block in asymmetric synthesis, enabling the stereoselective formation of new chemical entities for research and development purposes.

Chiral Building Block in Asymmetric Synthesis
This enantiomerically pure isocyanate is employed in asymmetric synthesis to introduce chirality into target molecules. Its functional groups allow for diverse reactions, facilitating the stereoselective construction of complex organic structures.
Intermediate for Pharmaceutical Research
The compound serves as a key intermediate in the synthesis of potential pharmaceutical agents. Its defined stereochemistry is critical for developing drugs with specific biological activities.
Reagent in Organic Synthesis
Utilised in various organic transformations, Methyl (R)-(+)-2-isocyanato-3-phenylpropionate enables the creation of novel chemical entities for academic and industrial research.
| Molecular weight | 205.21 |
|---|---|
| Linear formula | C6H5CH2CH(NCO)CO2CH3 |
| Assay | 97% |
| Boiling point | 256-257 °C/760 mmHg(lit.) |
| Density | 1.159 g/mL at 25 °C(lit.) |
| Refractive index | n20/D >1.159(lit.) |
| Optical activity | [α]20/D +70°, c = 1.4% in chloroform |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 46 °C / 114.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 Methyl (R)-(+)-2-isocyanato-3-phenylpropionate used for?
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Methyl (R)-(+)-2-isocyanato-3-phenylpropionate is used as a chiral building block in asymmetric synthesis and as an intermediate in organic synthesis, particularly for research and pharmaceutical development.
What is the CAS number and chemical formula for Methyl (R)-(+)-2-isocyanato-3-phenylpropionate?
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The CAS number is 361456-36-2 and the chemical formula is C6H5CH2CH(NCO)CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl (R)-(+)-2-isocyanato-3-phenylpropionate with an assay of 97%. This product is not classified as USP, BP, or EP grade and is intended for research and laboratory use.
How should Methyl (R)-(+)-2-isocyanato-3-phenylpropionate be handled safely?
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This compound is flammable (flash point 46 °C) and an irritant (H315, H319, H335). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and avoid ignition sources.
Is this product available for international export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Methyl (R)-(+)-2-isocyanato-3-phenylpropionate, and can fulfil international orders.
How can I request a sample or a quote?
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To request a sample or a quote for Methyl (R)-(+)-2-isocyanato-3-phenylpropionate, please contact our sales team through the website or by phone.
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