Mephenytoin
美芬妥因
Also known as: Mesantoin, Methoin, 5-ethyl-3-methyl-5-phenylhydantoin, 5-ethyl-3-methyl-5-phenylimidazolidine-2,4-dione, Epiazin, Insulton, Phenantoin, Sedantoin, Sedantoinal, Triantoin, mephenytoine
Mephenytoin (CAS 50-12-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O2 and a molecular weight of 218.25200 g/mol. It is also known as Mesantoin, Methoin and 5-ethyl-3-methyl-5-phenylhydantoin. Key properties include a melting point of 135-138ºC and a density of 1.154g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 50-12-4
- Jingsj CID
- J-1959916-0
- Molecular Formula
- C12H14N2O2
- Chinese Name
- 美芬妥因
- Molecular Weight
- 218.25200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 135-138ºC |
|---|---|
| Density | 1.154g/cm3 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Mephenytoin?
The CAS number of Mephenytoin is 50-12-4.
What are the molecular formula and molecular weight of Mephenytoin?
Mephenytoin has molecular formula C12H14N2O2 and molecular weight 218.25200 g/mol.
Is Mephenytoin hazardous?
Mephenytoin has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Mephenytoin (CAS 50-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959916-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.