*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XH9170000
CHEMICAL NAME           : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,
                          3,3-dimethyl-6-(((((3-(methylsulfonyl)-
                          2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)am
                          ino)-7-oxo-, sodium salt,
                          (2S-(2-alpha,5-alpha,6-beta)(S*))-
CAS REGISTRY NUMBER     : 42057-22-7
LAST UPDATED            : 199509
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C21-H24-N5-O8-S2.Na
MOLECULAR WEIGHT        : 561.61
WISWESSER LINE NOTATION : T45 ANV ESTJ F1 F1 GVO CMVYR&MV- AT5NVNTJ CSW1 &-NA-
                          &QH
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Antibiotic bay-f 1353
   * Mezlocillin
   * Mezlocillin sodium
   * Sodium mezlocillin hydrate
 
                       *** 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           : >20 gm/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >16 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2636 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - other changes
   Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >16 gm/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >16 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 6329 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - other changes
   Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 60 gm/kg/5W-I
TOXIC EFFECTS :
   Blood - hemorrhage
   Skin and Appendages - dermatitis, other (after systemic exposure)
   Related to Chronic Data - death
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 124800 mg/kg/13W-I
TOXIC EFFECTS :
   Blood - hemorrhage
   Skin and Appendages - dermatitis, other (after systemic exposure)
   Related to Chronic Data - death
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,513,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 291 gm/kg/26W-I
TOXIC EFFECTS :
   Gastrointestinal - other changes
   Nutritional and Gross Metabolic - changes in sodium
   Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 17,535,1979
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 81 gm/kg
SEX/DURATION            : male 60 day(s) pre-mating
                          female 14 day(s) pre-mating  - 7 day(s) after
                          conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 9,981,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 2750 mg/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 9,986,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5500 mg/kg
SEX/DURATION            : female 7-17 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - behavioral
REFERENCE :
   IYKEDH Iyakuhin Kenkyu.  Study of Medical Supplies.  (Nippon Koteisho
   Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan)  V.1- 1970- 
   Volume(issue)/page/year: 9,986,1978

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X5309
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 307 (estimated)
       No. of Female Employees: 251 (estimated)

 
                            *** END OF RECORD ***