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4-HYDROXY MEPHENYTOIN

4-HYDROXY MEPHENYTOIN Structure
4-HYDROXY MEPHENYTOIN structure
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 >=98% (HPLC);4-Hydroxymephenytoin, 10 mM in DMSO
CBNumber:
CB5319831
Molecular Formula:
C12H14N2O3
Molecular Weight:
234.25
MDL Number:
MFCD00142316
MOL File:
61837-65-8.mol
MSDS File:
SDS
Last updated:2026-04-21 21:58:21
Product description Number Pack Size Price
4-Hydroxymephenytoin UC126 5mg $731
4-Hydroxymephenytoin ≥98% (HPLC) H146 5mg $355
(±)4-Hydroxymephenytoin ≥98% 16124 5mg $106
(±)4-Hydroxymephenytoin ≥98% 16124 10mg $145
4-Hydroxymephenytoin UC126 10mg $1300
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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
form Solid
pka 8.31±0.70(Predicted)
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(17)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich UC126 4-Hydroxymephenytoin 61837-65-8 5mg $731 2026-03-19 Buy
Sigma-Aldrich H146 4-Hydroxymephenytoin ≥98% (HPLC) 61837-65-8 5mg $355 2026-03-19 Buy
Cayman Chemical 16124 (±)4-Hydroxymephenytoin ≥98% 61837-65-8 5mg $106 2024-03-01 Buy
Cayman Chemical 16124 (±)4-Hydroxymephenytoin ≥98% 61837-65-8 10mg $145 2024-03-01 Buy
Sigma-Aldrich UC126 4-Hydroxymephenytoin 61837-65-8 10mg $1300 2026-03-19 Buy
Product number Packaging Price Buy
UC126 5mg $731 Buy
H146 5mg $355 Buy
16124 5mg $106 Buy
16124 10mg $145 Buy
UC126 10mg $1300 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

4-HYDROXY MEPHENYTOIN Suppliers

Global( 107)Suppliers
Supplier Tel Email Country ProdList Advantage
Standardpharm Co. Ltd. 		86-714-3992388 overseasales1@yongstandards.com United States 14332 58
TargetMol Chemicals Inc. 		+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32467 58
TargetMol Chemicals Inc. 		+1-781-999-5354; support@targetmol.com United States 39040 58
ZHEJIANG JIUZHOU CHEM CO., LTD 		+86-0576225566889 +86-13454675544 admin@jiuzhou-chem.com；jamie@jiuzhou-chem.com；alice@jiuzhou-chem.com China 12272 58
TargetMol Chemicals Inc. 		+17819995354 marketing@targetmol.com United States 19957 58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd. 		+undefined18603013401 jack.lin@sincopharmachem.com China 9996 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 821-50328103-801 18930552037 3bsc@sina.com China 15838 69
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42934 64
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32321 50
Supplier Advantage
Standardpharm Co. Ltd. 		58
TargetMol Chemicals Inc. 		58
TargetMol Chemicals Inc. 		58
ZHEJIANG JIUZHOU CHEM CO., LTD 		58
TargetMol Chemicals Inc. 		58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd. 		58
J & K SCIENTIFIC LTD. 76
3B Pharmachem (Wuhan) International Co.,Ltd. 69
Shanghai Hanhong Scientific Co.,Ltd. 64
Chemsky（shanghai）International Co.,Ltd. 50

View Lastest Price from 4-HYDROXY MEPHENYTOIN manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Hydroxymephenytoin pictures 2026-04-21 4-Hydroxymephenytoin
61837-65-8
 US $39.00-113.00 / mg 99.78% 10g TargetMol Chemicals Inc.
4-Hydroxymephenytoin pictures 2026-04-21 4-Hydroxymephenytoin
61837-65-8
 US $39.00-113.00 / mg 99.78% 10g TargetMol Chemicals Inc.
4-Hydroxymephenytoin pictures 2025-05-15 4-Hydroxymephenytoin
61837-65-8
 US $39.00-113.00 / mg 99.58% 10g TargetMol Chemicals Inc.

4-HYDROXY MEPHENYTOIN Spectrum

4-HYDROXY MEPHENYTOIN(61837-65-8)1HNMR

61837-65-8(4-HYDROXY MEPHENYTOIN)Related Search:

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1of4

(+/-) -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 4-HYDROXY MEPHENYTOIN 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 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