CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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RC8960090
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CHEMICAL NAME :
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19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-, oxime, (17-alpha)-
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CAS REGISTRY NUMBER :
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19636-23-8
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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2
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MOLECULAR FORMULA :
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C20-H23-N-O2
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MOLECULAR WEIGHT :
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309.44
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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22 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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FMXXAJ French Medicament Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Discontinued. Volume(issue)/page/year: #4826M ** REPRODUCTIVE DATA **
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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DOSE :
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2 mg/kg
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SEX/DURATION :
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female 6-9 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
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REFERENCE :
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SCYYDZ Shengzhi Yu Biyun. Reproduction and Contraception. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) 1980- Volume(issue)/page/year: 10(3),67,1990
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