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Key Documents

UC177

Sigma-Aldrich

(±)-Mephenytoin

Synonym(s):

(±)-5-Ethyl-3-methyl-5-phenyl-2,4-imidazolidinedione, (±)-5-Ethyl-3-methyl-5-phenylhydantoin

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About This Item

Empirical Formula (Hill Notation):
C12H14N2O2
CAS Number:
Molecular Weight:
218.25
EC Number:
MDL number:
UNSPSC Code:
12161501
PubChem Substance ID:
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form

crystals

color

off-white

mp

115-118 °C
135-137 °C

solubility

DMSO: soluble

storage temp.

2-8°C

SMILES string

CCC1(NC(=O)N(C)C1=O)c2ccccc2

InChI

1S/C12H14N2O2/c1-3-12(9-7-5-4-6-8-9)10(15)14(2)11(16)13-12/h4-8H,3H2,1-2H3,(H,13,16)

InChI key

GMHKMTDVRCWUDX-UHFFFAOYSA-N

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Biochem/physiol Actions

CYP2B6 and CYP2C19 substrate; anticonvulsive, antiepileptic.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Preparation Note

(±)-Mephenytoin is soluble in DMSO.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Yasuhiro Uno et al.
The Journal of veterinary medical science, 72(2), 225-228 (2009-11-27)
The macaque is widely used for investigation of drug metabolism due to its evolutionary closeness to the human. However, the genetic backgrounds of drug-metabolizing enzymes have not been fully investigated; therefore, identification and characterization of drug-metabolizing enzyme genes are important
Yajing Hu et al.
Pharmacogenetics and genomics, 23(2), 78-83 (2012-12-18)
We investigated whether human pharmacogenetic factors could be characterized using chimeric NOG mice expressing a thymidine kinase transgene (TK-NOG) with 'humanized' livers. The rate of human-specific metabolism of two drugs was measured in chimeric mice reconstituted with human hepatocytes with
Doaa A Elsherbiny et al.
Journal of pharmacokinetics and pharmacodynamics, 35(2), 203-217 (2008-03-20)
The study aim was to assess the inductive properties of artemisinin antimalarials using mephenytoin as a probe for CYP2B6 and CYP2C19 enzymatic activity. The population pharmacokinetics of S-mephenytoin and its metabolites S-nirvanol and S-4'-hydroxymephenytoin, including enzyme turn-over models for induction
Robert S Foti et al.
Journal of medicinal chemistry, 55(3), 1205-1214 (2012-01-14)
A series of omeprazole-based analogues was synthesized and assessed for inhibitory activity against CYP2C19. The data was used to build a CYP2C19 inhibition pharmacophore model for the series. The model was employed to design additional analogues with inhibitory potency against
Huijuan Wang et al.
Drug metabolism and disposition: the biological fate of chemicals, 39(5), 830-837 (2011-02-18)
CYP2C19 is a highly polymorphic enzyme that affects the metabolism of a wide range of therapeutic drugs. Almost all the identified alleles of CYP2C19 are derived from nonsynonymous single nucleotide polymorphisms (nsSNPs). The objective of this study was to functionally

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