*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YP2833800 CHEMICAL NAME : L-Tyrosine, 3-hydroxy-, mixt. with (S)-alpha-hydrazino-3,4-dihydroxy-alpha- methylbenzenepropanoic acid (10:1) LAST UPDATED : 199103 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C9-H11-N-O4.C10-H14-N2-O4 MOLECULAR WEIGHT : 423.47 WISWESSER LINE NOTATION : ZMX1&VQ1R CQ DQ &QVYZ1R DQ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Carbidopa-levodopa (1:10) * Levodopa-carbidopa (10:1) *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1319 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,907,1982 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >3055 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,907,1982 *** END OF RECORD ***