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H146

Sigma-Aldrich

4-Hydroxymephenytoin

≥98% (HPLC)

Synonym(s):

(±)-5-Ethyl-5-(4-hydroxyphenyl)-3-methylhydantoin, (±)-5-Ethyl-5-(4-hydroxyphenyl)-3-methylimididazolidine-2,4-dione

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About This Item

Empirical Formula (Hill Notation):
C12H14N2O3
CAS Number:
61837-65-8
Molecular Weight:
234.25
MDL number:
MFCD00142316
UNSPSC Code:
12352100
PubChem Substance ID:
57654234
NACRES:
NA.22

Assay

≥98% (HPLC)

solubility

DMSO: >5 mg/mL

SMILES string

CCC1(NC(=O)N(C)C1=O)c2ccc(O)cc2

InChI

1S/C12H14N2O3/c1-3-12(8-4-6-9(15)7-5-8)10(16)14(2)11(17)13-12/h4-7,15H,3H2,1-2H3,(H,13,17)

InChI key

OQPLORUDZLXXPD-UHFFFAOYSA-N

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General description

CYP2C19 metabolite of mephenytoin.

Application

Pharmacological activity investigating:
  • The drug effects on metabolization
  • In vitro cytochrome P450 activity in microsomes

Analyte for electron-capture gas chromatography procedures

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sonja Krösser et al.
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The 5HT(1A) receptor agonist sarizotan is in clinical development for the treatment of dyskinesia, a potentially disabling complication in Parkinson's disease. We investigated the effect of sarizotan on the clinical pharmacokinetics of probe drugs for cytochrome P450 (CYP) to evaluate
M. Salsali, et al.,
Journal of Pharmacological and Toxicological Methods, 44, 461-465 (2001)
Yang Li et al.
Pharmaceutical biology, 58(1), 695-700 (2020-07-17)
Lysionotin, a major extraction of Lysionotus pauciflorus Maxim (Gesneriaceae), has a variety of pharmacological properties commonly used in the treatment of lung disease. A study of lysionotin on the activity of human liver cytochrome P450 (CYP) enzymes can provide guidance
J K Coller et al.
British journal of clinical pharmacology, 48(2), 158-167 (1999-07-27)
To compare the oxidative metabolism of (S)-mephenytoin and proguanil in vitro and to determine the involvement of various cytochrome P450 isoforms. The kinetics of the formation of 4'-hydroxymephenytoin and cycloguanil in human liver microsomes from 10 liver samples were determined
M Tanaka et al.
Clinical pharmacology and therapeutics, 62(6), 619-628 (1998-01-20)
To assess the possible relationship between the metabolic disposition of pantoprazole and genetically determined S-mephenytoin 4'-hydroxylation phenotype and genotype. The pharmacokinetic disposition of pantoprazole was investigated in 14 Japanese male volunteers (seven extensive and seven poor metabolizers of S-mephenytoin). All
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