*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SC4751050 CHEMICAL NAME : 4-Pentynoic acid, 2-amino-3-hydroxy-, (2S,3R)- CAS REGISTRY NUMBER : 64918-85-0 BEILSTEIN REFERENCE NO. : 3933931 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C5-H7-N-O3 MOLECULAR WEIGHT : 129.13 WISWESSER LINE NOTATION : QVYZYQ1UU1 COMPOUND DESCRIPTOR : Natural Product SYNONYMS/TRADE NAMES : * 2(S),3(R)-2-Amino-3-hydroxypent-4-ynoic acid * beta-Ethynylserine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 320 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 39,304,1986 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - chicken DOSE/DURATION : 150 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Behavioral - changes in motor activity (specific assay) Behavioral - muscle weakness REFERENCE : PYTCAS Phytochemistry. An International Journal of Plant Biochemistry. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1961- Volume(issue)/page/year: 16,1757,1977 *** END OF RECORD ***