Title: Foscarnet Sodium
CAS Registry Number: 63585-09-1
CAS Name: Dihydroxyphosphinecarboxylic acid oxide trisodium salt
Synonyms: trisodium phosphonoformate; trisodium carboxyphosphate
Manufacturers' Codes: A-29622
Trademarks: Foscavir (AstraZeneca)
Molecular Formula: CNa3O5P
Molecular Weight: 191.95
Percent Composition: C 6.26%, Na 35.93%, O 41.68%, P 16.14%
Literature References: Inhibits viral DNA polymerase and reverse transcriptase. Prepn: P. Nylén,
Ber. 57B, 1023 (1924). Crystal structure: R. R. Naqvi
et al., J. Chem. Soc. A 1971, 2751; S. C. Abrahams,
Acta Crystallogr. B28, 2886 (1972). Use as antiviral agent: B. F. H. Eriksson
et al., DE 2728685;
eidem, US 4215113 (1978, 1980 both to Astra). Activity against herpes simplex virus: E. Helgstrand
et al., Science 201, 819 (1978); J. M. Reno
et al., Antimicrob. Agents Chemother. 13, 188 (1978); S. Alenius
et al., Arch. Virol. 60, 197 (1979). Mechanism of inhibition of Epstein-Barr virus replication: A. K. Datta, R. E. Hood,
Virology 114, 52 (1981). Preclinical evaluation: B. Oeberg
et al., Int. Congr. Ser. - Excerpta Med. 571, 175 (1982). Inhibitory effect on HIV-1 (HTLV-III/LAV) virus replication
in vitro: P. S. Sarin
et al., Biochem. Pharmacol. 34, 4075 (1985).
Properties: Hexahydrate, mp >250°. LD50 i.p. in mice: 2000-4000 mmol/kg (Eriksson).
Melting point: mp >250°
Toxicity data: LD50 i.p. in mice: 2000-4000 mmol/kg (Eriksson)
Therap-Cat: Antiviral.
Keywords: Antiviral; Reverse Transcriptase Inhibitor.