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5-Ethyl-5-methylhydantoin

Also known as: 5-ethyl-5-methylimidazolidine-2,4-dione, 2,4-Imidazolidinedione, 5-ethyl-5-methyl-, 5-Ethyl-5-methyl-2,4-imidazolidinedione, 5-Methyl-5-ethyl-2,4-imidazolidinedione, 5-Aethyl-5-methyl-imidazolidin-2,4-dion, 5-ethyl-5-methyl-hydantoin, 5-methyl-5-ethylhydantoin, NSC 1020

5-Ethyl-5-methylhydantoin (CAS 5394-36-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H10N2O2 and a molecular weight of 142.15600 g/mol. Key properties include a melting point of 144-150ºC and a density of 1.095 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5394-36-5
Jingsj CID
J-1471604-2
Molecular Formula
C6H10N2O2
Molecular Weight
142.15600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point144-150ºC
Density1.095 g/cm3
Exact Mass142.07400
PSA58.20000
LogP0.65210

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Ethyl-5-methylhydantoin?

The CAS number of 5-Ethyl-5-methylhydantoin is 5394-36-5.

What are the molecular formula and molecular weight of 5-Ethyl-5-methylhydantoin?

5-Ethyl-5-methylhydantoin has molecular formula C6H10N2O2 and molecular weight 142.15600 g/mol.

What are the upstream and downstream products of 5-Ethyl-5-methylhydantoin?

For 5-Ethyl-5-methylhydantoin, Upstream Products: 2-Hydroxy-2-methylbutanenitrile, Ammonium carbonate, Tetrabutylammonium cyanide; Downstream Products: 2-Amino-2-methylbutanoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Ethyl-5-methylhydantoin (CAS 5394-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1471604-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.