ChemicalBook >> CAS DataBase List >>4-Hydroxy mephenytoin

4-Hydroxy mephenytoin

CAS No.
61837-65-8
Chemical Name:
4-Hydroxy mephenytoin
Synonyms
4'-Hydroxymephenitoyn;4-Hydroxy mephenytoin;Mephenytoin Impurity 1;Mephenytoin Impurity 4;(±)4-Hydroxymephenytoin;(+/-) -HYDROXYMEPHENYTOIN;(+/-)-4-HYDROXYMEPHENYTOIN;( /-)-4-Hydroxy Mephenytoin;4-Hydroxymephenytoin (Standard);4-HydroxyMephenytoin >=98% (HPLC)
CBNumber:
CB5319831
Molecular Formula:
C12H14N2O3
Molecular Weight:
234.25
MDL Number:
MFCD00142316
MOL File:
61837-65-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:53:29

4-Hydroxy mephenytoin Properties

Melting point 153-154 °C
Density 1.249±0.06 g/cm3(Predicted)
storage temp. 2-8°C
solubility DMSO: >5mg/mL
pka 8.31±0.70(Predicted)
form Solid
color white
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)
InChIKey OQPLORUDZLXXPD-UHFFFAOYSA-N
SMILES CCC1(NC(=O)N(C)C1=O)c2ccc(O)cc2
UNSPSC Code 12352100
NACRES NA.77

SAFETY

Risk and Safety Statements

PPE Eyeshields, Gloves, type N95 (US)
WGK Germany  3
Storage Class 11 - Combustible Solids

4-Hydroxy mephenytoin price More Price(53)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich UC126 4-Hydroxymephenytoin 61837-65-8 5mg $731 2026-04-30 Buy
Sigma-Aldrich H146 4-Hydroxymephenytoin ≥98% (HPLC) 61837-65-8 5mg $355 2026-04-30 Buy
Cayman Chemical 16124 (±)4-Hydroxymephenytoin ≥98% 61837-65-8 5mg $117 2026-04-30 Buy
Cayman Chemical 16124 (±)4-Hydroxymephenytoin ≥98% 61837-65-8 10mg $160 2026-04-30 Buy
Cayman Chemical 16124 (±)4-Hydroxymephenytoin ≥98% 61837-65-8 25mg $370 2026-04-30 Buy
Product number Packaging Price Buy
UC126 5mg $731 Buy
H146 5mg $355 Buy
16124 5mg $117 Buy
16124 10mg $160 Buy
16124 25mg $370 Buy

4-Hydroxy mephenytoin Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

CYP2C19 metabolite of Mephenytoin

Uses

Pharmacological activity investigating:• ;The drug effects on metabolization1• ;In vitro cytochrome P450 activity in microsomes2Analyte for electron-capture gas chromatography procedures3

Uses

Pharmacological activity investigating:

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

Analyte for electron-capture gas chromatography procedures

Definition

ChEBI: Hydroxymephenytoin is an imidazolidine-2,4-dione.

General Description

CYP2C19 metabolite of mephenytoin.

Biochem/physiol Actions

4-Hydroxymephenytoin catabolism displays genetic polymorphism and is a direct indicator of Cytochrome P450 2C19 (CYP2C19) activity. Detection and quantification of 4-hydroxymephenytoin in biological samples by HPLC method is well optimized.

4-Hydroxy mephenytoin Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 111)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Cato Research Chemicals Inc. 020-81960175 min.he@cato-chem.com China 1949 55
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
BOC Sciences 16314854226 info@bocsci.com United States 9909 65

View Latest Price from 4-Hydroxy mephenytoin manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Hydroxymephenytoin pictures 2026-07-15 4-Hydroxymephenytoin
61837-65-8
$39.00-113.00 99.78% 10g TargetMol Chemicals Inc.
4-Hydroxymephenytoin pictures 2026-07-15 4-Hydroxymephenytoin
61837-65-8
$39.00-113.00 99.78% 10g TargetMol Chemicals Inc.
4-Hydroxymephenytoin pictures 2026-07-15 4-Hydroxymephenytoin
61837-65-8
$39.00-113.00 99.78% 10g TargetMol Chemicals Inc.

4-Hydroxy mephenytoin Spectrum

(+/-) -HYDROXYMEPHENYTOIN 5-Ethyl-5-(4-hydroxyphenyl)-3-Methyl- (±)-5-Ethyl-5-(4-hydroxyphenyl)-3-methylhydantoin, (±)-5-Ethyl-5-(4-hydroxyphenyl)-3-methylimididazolidine-2,4-dione 4-Hydroxy-5-ethyl-3-methyl-5-phenylimidazolidin-2-one 4'-Hydroxymephenitoyn 5-(p-Hydroxyphenyl)-3-methyl-5-ethyl-imidazolidine-2,4-dione 5-Ethyl-3-methyl-5-(4-hydroxyphenyl)hydantoin 5-Ethyl-3-methyl-5-(4-hydroxyphenyl)imidazolidine-2,4-dione 5-ethyl-5-(4-hydroxyphenyl)-3-MethyliMidazolidine-2,4-dione 4-HydroxyMephenytoin >=98% (HPLC) (+/-)-5-ETHYL-(4-HYDROXYPHENYL)-3-METHYLHYDANTOIN (+/-)-5-ETHYL-5-(4-HYDROXYPHENYL)-3-METHYLHYDANTOIN (+/-)-5-ETHYL-5-(4-HYDROXYPHENYL)-3-METHYLIMIDIDAZOLIDINE-2,4-DIONE (+/-)-4-HYDROXYMEPHENYTOIN 5-Ethyl-5-(4-hydroxyphenyl)-3-methyl-2,4-imidazolidinedione Mephenytoin Impurity 1 2,4-Imidazolidinedione, 5-ethyl-5-(4-hydroxyphenyl)-3-methyl- ( /-)-4-Hydroxy Mephenytoin Mephenytoin Impurity 4 4-Hydroxymephenytoin, 10 mM in DMSO (±)4-Hydroxymephenytoin 4-Hydroxymephenytoin (Standard) 4-Hydroxy mephenytoin 61837-65-8 Heterocyclic Building Blocks Imidazolines/Imidazolidines Building Blocks Chemical Synthesis Heterocyclic Building Blocks Imidazolines/Imidazolidines Metabolites Building Blocks Heterocycles Hydantoins & Derivatives Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals