*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AY4342000
CHEMICAL NAME           : Alanine, 3-((carboxymethyl)thio)-, L-
CAS REGISTRY NUMBER     : 638-23-3
BEILSTEIN REFERENCE NO. : 1725012
REFERENCE               : 4-04-00-03150 (Beilstein Handbook Reference)
LAST UPDATED            : 199707
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C5-H9-N-O4-S
MOLECULAR WEIGHT        : 179.21
WISWESSER LINE NOTATION : QVYZ1S1VQ -L
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Carbocisteine
   * Carbocysteine
   * L-Carboxymethylcysteine
   * (R)-S-(Carboxymethyl)cysteine
   * S-(Carboxymethyl)-L-cysteine
   * 3-(Carboxymethylthio)-L-alanine
   * L-3-((Carboxymethyl)thio)alanine
   * L-Cysteine, S-(carboxymethyl)-
   * L.J. 206
   * Mucodyne
   * Rhinathiol
   * Rinatiol
   * Thiodril
 
                       *** 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           : >15 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 24,1705,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7800 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: 6,190,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 10300 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 32,993,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 8400 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: 6,190,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1433 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKKZAJ Yakugaku Zasshi.  Journal of Pharmacy.  (Nippon Yakugakkai, 2-12-15
   Shibuya, Shibuya-ku, Tokyo 150, Japan)  No.1-    1881-
   Volume(issue)/page/year: 94,1419,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 9 gm/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: 6,190,1982
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 11250 mg/kg/30D-I
TOXIC EFFECTS :
   Blood - changes in erythrocyte (RBC) count
   Blood - changes in platelet count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 32,993,1981
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 625 mg/kg
SEX/DURATION            : female 17-21 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - physical
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 13,1311,1979

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***