Emorfazone
Structural Formula Vector Image
Title: Emorfazone
CAS Registry Number: 38957-41-4
CAS Name: 4-Ethoxy-2-methyl-5-(4-morpholinyl)-3(2H)-pyridazinone
Manufacturers' Codes: M-73101
Trademarks: Nandron (Morishita); Pentoyl (Morishita)
Molecular Formula: C11H17N3O3
Molecular Weight: 239.27
Percent Composition: C 55.22%, H 7.16%, N 17.56%, O 20.06%
Literature References: Prepn: K. Satoda et al., JP 72 24030 (1972 to Morishita), C.A. 77, 164732f (1972); M. Takaya et al., J. Med. Chem. 22, 53 (1979). Metabolism studies: T. Hayashi et al., Chem. Pharm. Bull. 26, 3124 (1978); 27, 317 (1979). General pharmacological study: M. Sato et al., Nippon Yakurigaku Zasshi 75, 291 (1979), C.A. 91, 117292 (1979). Mechanism of action studies: M. Sato, A. Yamaguchi, Arzneim.-Forsch. 32, 379 (1982). Antigenicity study: M. Sato et al., Oyo Yakuri 18, 65 (1979), C.A. 92, 104391 (1980). Toxicity studies: eidem, ibid. 16, 1011 (1978), C.A. 90, 197741 (1979); C. Onodera et al., J. Toxicol. Sci. 4, 229 (1979); K. Shimpo et al., ibid. 255.
Properties: Cryst from methanol/isopropyl ether, mp 89-91°. LD50 i.p. in mice: 700 mg/kg (Takaya).
Melting point: mp 89-91°
Toxicity data: LD50 i.p. in mice: 700 mg/kg (Takaya)
Therap-Cat: Anti-inflammatory; analgesic.
Keywords: Analgesic (Non-Narcotic); Anti-inflammatory (Nonsteroidal).

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