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Ethotoin

Also known as: Peganone, Pegoanone, 3-Ethyl-5-phenylhydantoin, 3-Ethyl-5-phenylimidazolidine-2,4-dione, Accenon, Ethotoine, Ethotoinum, Etotoina, 3-Aethyl-5-phenyl-imidazolidin-2,4-dion

Ethotoin (CAS 86-35-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2 and a molecular weight of 204.22500 g/mol. Key properties include a melting point of 94ºC, a boiling point of 342.72°C (rough estimate) and a density of 1.197 g/cm1.197 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
86-35-1
Jingsj CID
J-1958460-3
Molecular Formula
C11H12N2O2
Molecular Weight
204.22500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point94ºC
Boiling Point342.72°C (rough estimate)
Density1.197 g/cm1.197 g/cm3
Exact Mass204.09000
PSA52.90000
LogP0.87730
Refractive Index1.555

Activity & Biological Data

Additional Information[1]. A S Troupin, et al. Clinical pharmacology of mephenytoin and ethotoin. Ann Neurol. 1979 Nov;6(5):410-4. [2]. D R Minck, et al. Comparison of the behavioral teratogenic potential of phenytoin, mephenytoin, ethotoin, and hydantoin in rats. Teratology. 1991 Apr;43(4):279-93.

Frequently Asked Questions

What is the CAS number of Ethotoin?

The CAS number of Ethotoin is 86-35-1.

What are the molecular formula and molecular weight of Ethotoin?

Ethotoin has molecular formula C11H12N2O2 and molecular weight 204.22500 g/mol.

What are the upstream and downstream products of Ethotoin?

For Ethotoin, Upstream Products: Bromoethane, L-Phenylglycine, Ethyl isocyanate; Downstream Products: Ethylamine, 2-Amino-2-phenylacetic 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. "Ethotoin (CAS 86-35-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958460-3 (accessed 2026-11-07).

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