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5-Phenylhydantoin

5-Phenylhydantoin structure

CAS No.: 89-24-7

Chemical Name:: 5-Phenylhydantoin

Synonyms: 5-Phenyl-;Phenylhydantoin;5-PHENYLHYDANTOIN;Hydantoin 5-Phenyl;5-Phenylhydantoin>5-Phenylhydantoin (100 mg);Phenylhydantoin, 10 mM in DMSO;4-Phenylimidazolidine-2,5-dione;5-Phenyl Hydantion/5-Phenylhydantoin

CBNumber:: CB7242836

Molecular Formula:: C9H8N2O2

Molecular Weight:: 176.17

MDL Number:: MFCD00037881

MOL File:: 89-24-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 02:25:04

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5-Phenylhydantoin Properties

Melting point	182°C
Density	1.276±0.06 g/cm3(Predicted)
storage temp.	Refrigerator
solubility	DMSO, Methanol
form	Solid
pka	8.58±0.10(Predicted)
color	Off-White to Pale Yellow
Major Application	pharmaceutical (small molecule)
InChI	1S/C9H8N2O2/c12-8-7(10-9(13)11-8)6-4-2-1-3-5-6/h1-5,7H,(H2,10,11,12,13)
InChIKey	NXQJDVBMMRCKQG-UHFFFAOYSA-N
CAS DataBase Reference	89-24-7(CAS DataBase Reference)
FDA UNII	ZQL8E3X7HK
EPA Substance Registry System	5-Phenylhydantoin (89-24-7)
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Safety Statements	22-24/25
WGK Germany	WGK 3
TSCA	TSCA listed
HS Code	2933210000
Storage Class	11 - Combustible Solids

5-Phenylhydantoin price More Price(31)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	1533308	5-Phenylhydantoin	89-24-7	100mg	$729	2026-04-30	Buy
TCI Chemical	P0666	5-Phenylhydantoin >99.0%(HPLC)(T)	89-24-7	25g	$131	2026-04-30	Buy
Usbiological	P4064-75	5-Phenylhydantoin (\|)	89-24-7	1g	$446	2026-06-03	Buy
TRC	TRC-P335000-500MG	5-Phenylhydantoin	89-24-7	500mg	$167	2026-06-03	Buy
TRC	TRC-P335000-250MG	5-Phenylhydantoin	89-24-7	250mg	$135	2026-06-03	Buy

Product number	Packaging	Price	Buy
1533308	100mg	$729	Buy
P0666	25g	$131	Buy
P4064-75	1g	$446	Buy
TRC-P335000-500MG	500mg	$167	Buy
TRC-P335000-250MG	250mg	$135	Buy

5-Phenylhydantoin Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

A metabolite of Mephenytoin. This molecule has been shown to bind to voltage-dependent sodium channels (NVSC) and has antiepileptic properties.

5-Phenylhydantoin synthesis

Synthesis of 5-Phenylhydantoin from Phenyl carbamate and H-Phg-OMe HCl

5-Phenylhydantoin Preparation Products And Raw materials

Raw materials

[(Aminocarbonyl)amino](phenyl)acetic acid H-Phg-OMe HCl methyl 2-amino-2-phenylacetate hydrochloride 2-amino-2-phenylacetamide 2-Amino-2-phenylacetic acid

Phenylglyoxal Benzaldehyde carbon monoxide Carbon dioxide Phenyl carbamate

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Preparation Products

5-Phenylhydantoin Suppliers

Global Suppliers ( 124)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
XiaoGan ShenYuan ChemPharm co,ltd	15527621225; 15527621225	1791901229@qq.com	China	6741	52
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9791	79
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Chemsky（shanghai）International Co.,Ltd.	50
XiaoGan ShenYuan ChemPharm co,ltd	52
Sinopharm Chemical Reagent Co,Ltd.	79
Maya High Purity Chemicals	57
TOKYO CHEMICAL INDUSTRY CO., LTD.	80

View Latest Price from 5-Phenylhydantoin manufacturers

Update time	Product	Price	Purity	Supply Ability	Manufacturer
2026-08-08	Phenylhydantoin 89-24-7	$30.00-48.00	98.09%	10g	TargetMol Chemicals Inc.
2026-08-08	Phenylhydantoin 89-24-7	$30.00-48.00	98.09%	10g	TargetMol Chemicals Inc.
2025-05-26	Phenylhydantoin 89-24-7	$29.00-69.00	98.72%	10g	TargetMol Chemicals Inc.

Phenylhydantoin
89-24-7
$30.00-48.00
98.09%
TargetMol Chemicals Inc.

Phenylhydantoin
89-24-7
$30.00-48.00
98.09%
TargetMol Chemicals Inc.

Phenylhydantoin
89-24-7
$29.00-69.00
98.72%
TargetMol Chemicals Inc.

5-Phenylhydantoin Spectrum

5-Phenylhydantoin(89-24-7)MS 5-Phenylhydantoin(89-24-7)¹HNMR 5-Phenylhydantoin(89-24-7)IR1 5-Phenylhydantoin(89-24-7)IR2

89-24-7 (5-Phenylhydantoin) Related Search:

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5-Phenylhydantoin (100 mg) 5-Phenyl- 4-Phenylimidazolidine-2,5-dione Phenylhydantoin 5-Phenylhydantoin> Hydantoin 5-Phenyl 5-Phenyl Hydantion/5-Phenylhydantoin 5-PHENYLHYDANTOIN Phenylhydantoin, 10 mM in DMSO 89-24-7 Metabolites & Impurities Hydantoins & Derivatives, Metabolites & Impurities Hydantoins and Derivatives Hydantoins & Derivatives