Formocortal
Title: Formocortal
CAS Registry Number: 2825-60-7
CAS Name: (11b,16a)-21-(Acetyloxy)-3-(2-chloroethoxy)-9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-20-oxopregna-3,5-diene-6-carboxaldehyde
Additional Names: 3-(2-chloroethoxy)-9-fluoro-11b,16a,17,21-tetrahydroxy-20-oxopregna-3,5-diene-6-carboxaldehyde, cyclic 16,17-acetal with acetone, 21-acetate; 3-(2-chloroethoxy)-6-formyl-9a-fluoropregna-3,5-diene-11b,16a,17,21-tetrol-20-one 21-acetate 16a,17a-acetonide; 3-(2-chloroethoxy)-9a-fluoro-6-formyl-11b,21-dihydroxy-16a,17a-isopropylidenedioxypregna-3,5-dien-20-one; fluoroformylon
Manufacturers' Codes: FI-6341
Trademarks: Cortocin-F (Eisai); Cutisterol (Farmitalia); Deflamene (Farmitalia); Fluderma (Farmitalia)
Molecular Formula: C29H38ClFO8
Molecular Weight: 569.06
Percent Composition: C 61.21%, H 6.73%, Cl 6.23%, F 3.34%, O 22.49%
Literature References: Prepn: Camerino et al., FR 1396602 C.A. 63, 5713c (1965); NL 6508458; US 3314945 (1965, 1966, 1967 all to Farmitalia); Baldratti et al., Experientia 22, 468 (1966). Pharmacology: Suchowsky, Baldratti, Proc. 2nd Int. Congr. Horm. Steroids 1966, L. Martini, F. Fraschini, M. Motta, Eds. (Excerpta Medica Found., Amsterdam, 1967) pp 536-540; Tajima, Otsu, Jpn. J. Pharmacol. 62, 115 (1966), C.A. 67, 72329v (1967); Baldratti et al., Arzneim.-Forsch. 21, 1533 (1971). Toxicity studies: Bertazzoli et al., J. Eur. Toxicol. 4, 88 (1971).
Properties: White crystalline powder from ether-petroleum ether, mp 180-182°. [a]D20 +26° (chloroform). uv max (ethanol): 216, 324 nm (e 12,100, 17,100). LD50 in mice: >2000 mg/kg orally; 490 mg/kg s.c.; 537 mg/kg i.p. (Bertazzoli).
Melting point: mp 180-182°
Optical Rotation: [a]D20 +26° (chloroform)
Absorption maximum: uv max (ethanol): 216, 324 nm (e 12,100, 17,100)
Toxicity data: LD50 in mice: >2000 mg/kg orally; 490 mg/kg s.c.; 537 mg/kg i.p. (Bertazzoli)
Therap-Cat: Glucocorticoid.
Keywords: Glucocorticoid.

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