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ChemicalBook >> CAS DataBase List >> (+/-)-5-Ethyl-5-phenylhydantoin

(+/-)-5-Ethyl-5-phenylhydantoin

(+/-)-5-Ethyl-5-phenylhydantoin price.
  • $61 - $2060
  • Product name: (+/-)-5-Ethyl-5-phenylhydantoin
  • CAS: 631-07-2
  • MF: C11H12N2O2
  • MW: 204.23
  • EINECS:211-150-3
  • MDL Number:MFCD00022401
  • Synonyms:Hydantoin, 5-ethyl-5-phenyl-;rac N-Desmethyl Mephenytoin;(±)-5-Ethyl-5-phenyl-2,4-imidazolidinedione, (±)-5-Ethyl-5-phenylhydantoin;(RS)-5-Ethyl-5-phenyl- 2,4-iMidazolidinedione;(+/-)-5-ETHYL-5-PHENYL-2,4-IMIDAZOLIDINEDIONE;5-ETHYL-5-PHENYL-IMIDAZOLIDINE-2,4-DIONE;DESMETHYL MEPHENYTOIN;(+/-)-NIRVANOL
Price22 Properties Safety Information Description
22 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • American Custom Chemicals Corporation
  • Arctom
  • Cayman Chemical
  • ChemScene
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
Package
  • 5mg
  • 10mg
  • 25mg
  • 100mg
  • 250MG
  • 1G
  • 2.5G
  • 5G
  • 10g
  • Manufactureraablocks
  • Product numberAA00EAHY
  • Product description5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98%
  • Packaging5mg
  • Price$61
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00EAHY
  • Product description5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98%
  • Packaging10mg
  • Price$96
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00EAHY
  • Product description5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98%
  • Packaging25mg
  • Price$223
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220050
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00%
  • Packaging250MG
  • Price$195
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220050
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00%
  • Packaging1G
  • Price$515
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY220050
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00%
  • Packaging5G
  • Price$2060
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-12687
  • Product description5-Ethyl-5-phenylhydantoin 97%
  • Packaging10g
  • Price$568
  • Updated2026-05-26
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0005878
  • Product descriptionRAC N-DESMETHYL MEPHENYTOIN 95.00%
  • Packaging2.5G
  • Price$1119.71
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A154866
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 98%
  • Packaging1g
  • Price$267
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A154866
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 98%
  • Packaging250mg
  • Price$99
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A154866
  • Product description5-Ethyl-5-phenylimidazolidine-2,4-dione 98%
  • Packaging100mg
  • Price$63
  • Updated2026-05-26
  • Buy
  • ManufacturerCayman Chemical
  • Product number21733
  • Product descriptionNirvanol ≥98%
  • Packaging5mg
  • Price$61
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number21733
  • Product descriptionNirvanol ≥98%
  • Packaging10mg
  • Price$96
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number21733
  • Product descriptionNirvanol ≥98%
  • Packaging25mg
  • Price$223
  • Updated2026-04-30
  • Buy
  • ManufacturerChemScene
  • Product numberCS-W013197
  • Product descriptionNirvanol ≥95%
  • Packaging250mg
  • Price$121
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-W013197
  • Product descriptionNirvanol ≥95%
  • Packaging100mg
  • Price$77
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00EAHY 5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98% 5mg $61 2026-05-28 Buy
aablocks AA00EAHY 5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98% 10mg $96 2026-05-28 Buy
aablocks AA00EAHY 5-Ethyl-5-phenylimidazolidine-2，4-dione ≥98% 25mg $223 2026-05-28 Buy
ACHEMBLOCK Y220050 5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00% 250MG $195 2026-05-27 Buy
ACHEMBLOCK Y220050 5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00% 1G $515 2026-05-27 Buy
ACHEMBLOCK Y220050 5-Ethyl-5-phenylimidazolidine-2,4-dione 97.00% 5G $2060 2026-05-27 Buy
AHH MT-12687 5-Ethyl-5-phenylhydantoin 97% 10g $568 2026-05-26 Buy
American Custom Chemicals Corporation API0005878 RAC N-DESMETHYL MEPHENYTOIN 95.00% 2.5G $1119.71 2021-12-16 Buy
Arctom BD-A154866 5-Ethyl-5-phenylimidazolidine-2,4-dione 98% 1g $267 2026-05-26 Buy
Arctom BD-A154866 5-Ethyl-5-phenylimidazolidine-2,4-dione 98% 250mg $99 2026-05-26 Buy
Arctom BD-A154866 5-Ethyl-5-phenylimidazolidine-2,4-dione 98% 100mg $63 2026-05-26 Buy
Cayman Chemical 21733 Nirvanol ≥98% 5mg $61 2026-04-30 Buy
Cayman Chemical 21733 Nirvanol ≥98% 10mg $96 2026-04-30 Buy
Cayman Chemical 21733 Nirvanol ≥98% 25mg $223 2026-04-30 Buy
ChemScene CS-W013197 Nirvanol ≥95% 250mg $121 2026-06-04 Buy
ChemScene CS-W013197 Nirvanol ≥95% 100mg $77 2026-06-04 Buy
Next Last

Properties

Melting point :195-200°C
Boiling point :342.72°C (rough estimate)
Density :1.1754 (rough estimate)
refractive index :1.5200 (estimate)
storage temp. :2-8°C
solubility :acetone: soluble
form :Solid
pka :pKa 8.5(H2O RT I undefined) (Uncertain)
color :off-white
Water Solubility :804.4mg/L(37 ºC)
CAS DataBase Reference :631-07-2(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

A metabolite of Mephenytoin that is also an anticonvulsant and a hypnotic.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. 3B Pharmachem (Wuhan) International Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. Syntechem Co.,Ltd Bide Pharmatech Ltd. Quality Control Solutions Ltd. Shanghai EFE Biological Technology Co., Ltd. Amadis Chemical Company Limited Shanghai Jizhi Biochemical Technology Co. Ltd. Shenzhen Polymeri Biochemical Technology Co., Ltd.