5-Ethyl-5-methylhydantoin
5-Ethyl-5-methylhydantoin (CAS: 5394-36-5; Formula: C6H10N2O2; Molar Mass: 142.16 g/mol) is a heterocyclic organic compound. It serves as a valuable reactant in chemical synthesis, particularly for the preparation of specific pharmaceutical analogues. This compound is supplied by Tech Serve Solutions with a minimum assay of 97%, suitable for research and development purposes.
- IUPAC
- 5-Ethyl-5-methyl-2,4-imidazolidinedione,NSC 1020

Synthesis of Nociceptin/Orphanin FQ Analogues
5-Ethyl-5-methylhydantoin is utilised as a key reactant in the laboratory synthesis of nociceptin/orphanin FQ analogues. This application is significant in medicinal chemistry research exploring peptide receptor interactions.
Heterocyclic Building Block
As a hydantoin derivative, this compound functions as a versatile heterocyclic building block. It can be incorporated into more complex molecular structures during organic synthesis.
Chemical Synthesis Intermediate
Its specific structure makes 5-Ethyl-5-methylhydantoin useful as an intermediate in multi-step synthetic routes. It contributes a unique scaffold for further chemical modification.
| Molecular weight | 142.16 |
|---|---|
| Empirical formula | C6H10N2O2 |
| Assay | 97% |
| Application | Reactant for synthesis of nociceptin/orphanin FQ analogues1 |
| Melting point | 144-150 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 5-Ethyl-5-methylhydantoin used for?
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5-Ethyl-5-methylhydantoin is primarily used as a reactant in the synthesis of nociceptin/orphanin FQ analogues and as a general heterocyclic building block in chemical synthesis.
What are the CAS number and molecular formula of 5-Ethyl-5-methylhydantoin?
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The CAS number for 5-Ethyl-5-methylhydantoin is 5394-36-5, and its molecular formula is C6H10N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Ethyl-5-methylhydantoin with a minimum assay of 97%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling precautions for 5-Ethyl-5-methylhydantoin?
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5-Ethyl-5-methylhydantoin is classified with GHS07 and a Warning signal word. It carries the hazard statement H302 (Harmful if swallowed). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 5-Ethyl-5-methylhydantoin packed and exported?
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5-Ethyl-5-methylhydantoin is carefully packed according to international shipping regulations. Tech Serve Solutions has extensive experience in exporting fine chemicals globally.
How can I request a sample or quote for 5-Ethyl-5-methylhydantoin?
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To request a sample or a quote, please contact our sales team via the website or by phone. Please specify the required quantity and your delivery location.
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