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CAS No 93390-81-9 , (2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate

  • Name: (2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate
  • Synonyms: Fosphenytoinum [INN-Latin];(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate; Fosphenytoine [INN-French]; Fosfenitoina [INN-Spanish];Prodilantin; (3-Phosphoryloxymethyl)phenytoin; HMPDP;
  • CAS Registry Number:
  • Density: 1.495g/cm3
  • Refractive index: 1.63
  • Molecular Weight: 362.273862
  • InchiKey: XWLUWCNOOVRFPX-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H15N2O6P/c19-14-16(12-7-3-1-4-8-12,
    13-9-5-2-6-10-13)17-15(20)18(14)11-24-25(21,22)23/h1-10H,11H2,(H,17,
    20)(H2,21,22,23)
  • Molecular Formula: C16H15N2O6P
  • Molecular Structure:CAS No:93390-81-9 (2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate

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References of (2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl dihydrogen phosphate
Title: Fosphenytoin
CAS Registry Number: 93390-81-9
CAS Name: 5,5-Diphenyl-3-[(phosphonooxy)methyl]-2,4-imidazolidinedione
Synonyms: 3-(hydroxymethyl)-5,5-diphenylhydantoin phosphate ester; (3-phosphoryloxymethyl)phenytoin; prophenytoin
Molecular Formula: C16H15N2O6P
Molecular Weight: 362.27
Percent Composition: C 53.05%, H 4.17%, N 7.73%, O 26.50%, P 8.55%
Literature References: Prodrug of phenytoin, q.v. Prepn: V. J. Stella, K. B. Sloan, US 4260769 (1981 to INTERx). Series of articles on chemical properties and pharmacokinetics: S. A. Varia et al., J. Pharm. Sci. 73, 1068-1090 (1984). Pharmacology: R. D. Smith et al., Epilepsia 30, Suppl. 2, S15 (1989). Clinical bioavailablilty and pharmacokinetics: B. D. Jamerson et al., ibid. 31, 592 (1990). Series of articles on use in epilepsy: Neurology 46, Suppl. 1, S1-S28 (1996). Clinical trial in epilepsy and neurosurgery: B. J. Wilder et al., Arch. Neurol. 53, 764 (1996).
Properties: White crystals from acetone, mp 173-176.5°.
Melting point: mp 173-176.5°
 
Derivative Type: Disodium salt
CAS Registry Number: 92134-98-0
Synonyms: Fosphenytoin sodium
Manufacturers' Codes: ACC-9653
Trademarks: Cerebyx (Pfizer); Pro-Epanutin (Pfizer)
Molecular Formula: C16H13N2Na2O6P
Molecular Weight: 406.24
Percent Composition: C 47.30%, H 3.23%, N 6.90%, Na 11.32%, O 23.63%, P 7.62%
Properties: White crystals as the dihydrate from water-ethanol-acetone, mp 220° (softens). pH of a saturated aqueous soln: ~9. Soly at 25° (mg/ml): 142 in water. LD50 in mice, rats (mg/kg): 234, 363 i.v. (Smith).
Melting point: mp 220° (softens)
Toxicity data: LD50 in mice, rats (mg/kg): 234, 363 i.v. (Smith)
 
Therap-Cat: Anticonvulsant.
Keywords: Anticonvulsant.