(S)-(−)-N-(1-Phenylethyl)maleimide
(S)-(−)-N-(1-Phenylethyl)maleimide (CAS: 60925-76-0), a chiral organic compound with the formula C12H11NO2 and a molecular weight of 201.22 g/mol, is a valuable building block in organic synthesis. It is particularly useful as a chiral intermediate, enabling the stereoselective synthesis of complex molecules. Its maleimide functionality allows for Michael additions and Diels-Alder reactions.

Chiral Building Block
Utilised in asymmetric synthesis to introduce chirality into target molecules. Its defined stereochemistry is crucial for creating enantiomerically pure compounds.
Organic Synthesis Intermediate
Serves as a key intermediate in the multi-step synthesis of complex organic structures. The maleimide moiety is reactive towards various nucleophiles and dienes.
Research Chemical
Employed in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities.
| Molecular weight | 201.22 |
|---|---|
| Empirical formula | C12H11NO2 |
| Assay | 97% |
| Optical activity | [α]24/D −61°, c = 2 in ethanol |
| Melting point | 33-35 °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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 (S)-(−)-N-(1-Phenylethyl)maleimide used for?
+
(S)-(−)-N-(1-Phenylethyl)maleimide is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in organic synthesis for creating complex molecules.
What are the CAS number and formula for (S)-(−)-N-(1-Phenylethyl)maleimide?
+
The CAS number is 60925-76-0 and the empirical formula is C12H11NO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (S)-(−)-N-(1-Phenylethyl)maleimide with an assay of 97%. This product is not supplied as USP, BP, EP, or other pharmacopoeia grades.
How should (S)-(−)-N-(1-Phenylethyl)maleimide be handled?
+
Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation to avoid inhalation. Refer to the Safety Data Sheet for detailed handling and safety information. It is classified as causing skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is (S)-(−)-N-(1-Phenylethyl)maleimide a controlled substance?
+
Based on the provided data, (S)-(−)-N-(1-Phenylethyl)maleimide is not listed as a controlled substance.
How is (S)-(−)-N-(1-Phenylethyl)maleimide packed and shipped?
+
Tech Serve Solutions carefully packs and exports chemicals globally, adhering to all relevant transportation regulations.
How can I request a sample or quote for (S)-(−)-N-(1-Phenylethyl)maleimide?
+
To request a sample or a quote, please contact our sales team via the website or provide your details through the product inquiry form.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis