*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : XI0350000
CHEMICAL NAME : 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic
acid, 7-(2-amino-2-phenylacetamido)-3- methyl-8-oxo-,
D-
CAS REGISTRY NUMBER : 15686-71-2
BEILSTEIN REFERENCE NO. : 0965503
LAST UPDATED : 199612
DATA ITEMS CITED : 35
MOLECULAR FORMULA : C16-H17-N3-O4-S
MOLECULAR WEIGHT : 347.42
COMPOUND DESCRIPTOR : Reproductive Effector
Human
SYNONYMS/TRADE NAMES :
* 7-(D-alpha-Aminophenylacetamido)desacetoxycephalosporanic acid
* 7-(D-2-Amino-2-phenylacetamido)-3-methyl-delta (sup 3)-cephem-4-
carboxylic acid
* 7-beta-(D-alpha-Amino-alpha-phenylacetylamino)-3-methyl-3-cephem-4-carbo
xylic acid
* Cefa-iskia
* Cefalexin
* Cefaloto
* Cephalexin
* Ceporex
* Ceporexin
* Ceporexine
* CEX
* Keflex
* Keforal
* Larixin
* Lexibiotico
* Madlexin
* Neolexina
* Oracef
* Oroxin
* Ortisporina
* S 6437
* Sartosona
* Sencephalin
* Syncl
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human
DOSE/DURATION : 14 mg/kg/D
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
Gastrointestinal - nausea or vomiting
REFERENCE :
AACHAX Antimicrobial Agents and Chemotherapy (1961-70). (Ann Arbor, MI)
1961-70. For publisher information, see AMACCQ. Volume(issue)/page/year:
-,361,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >20 gm/kg
TOXIC EFFECTS :
Behavioral - ataxia
Skin and Appendages - hair
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),765,1979
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4 gm/kg
TOXIC EFFECTS :
Behavioral - excitement
Behavioral - muscle weakness
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: 3,390,1969
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 6100 mg/kg
TOXIC EFFECTS :
Behavioral - excitement
Behavioral - muscle weakness
Lungs, Thorax, or Respiration - respiratory depression
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: 3,390,1969
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1495 mg/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
Skin and Appendages - hair
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),765,1979
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 400 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis
Kidney, Ureter, Bladder - urine volume increased
Nutritional and Gross Metabolic - dehydration
REFERENCE :
AACHAX Antimicrobial Agents and Chemotherapy (1961-70). (Ann Arbor, MI)
1961-70. For publisher information, see AMACCQ. Volume(issue)/page/year:
-,489,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1150 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Lungs, Thorax, or Respiration - other changes
Kidney, Ureter, Bladder - other changes
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,227,1969
TYPE OF TEST : LD - Lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : >1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
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: 3,513,1969
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : >1 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - food intake (animal)
Behavioral - ataxia
REFERENCE :
AACHAX Antimicrobial Agents and Chemotherapy (1961-70). (Ann Arbor, MI)
1961-70. For publisher information, see AMACCQ. Volume(issue)/page/year:
-,489,1968
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : >1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AACHAX Antimicrobial Agents and Chemotherapy (1961-70). (Ann Arbor, MI)
1961-70. For publisher information, see AMACCQ. Volume(issue)/page/year:
-,489,1968
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 250 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - food intake (animal)
Gastrointestinal - nausea or vomiting
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: 3,513,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 1 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - altered sleep time (including change in righting reflex)
Nutritional and Gross Metabolic - weight loss or decreased weight gain
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: 3,513,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2500 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal)
Gastrointestinal - hypermotility, diarrhea
Nutritional and Gross Metabolic - weight loss or decreased weight gain
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: 3,513,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : >4 gm/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
AACHAX Antimicrobial Agents and Chemotherapy (1961-70). (Ann Arbor, MI)
1961-70. For publisher information, see AMACCQ. Volume(issue)/page/year:
-,489,1968
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
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: 3,513,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1 gm/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Lungs, Thorax, or Respiration - cyanosis
Nutritional and Gross Metabolic - body temperature decrease
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: 3,513,1969
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 35 gm/kg/5W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition
Endocrine - changes in adrenal weight
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
34(Suppl 5),72,1986
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 140 gm/kg/35D-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - urine volume increased
Endocrine - changes in spleen weight
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,227,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 182 gm/kg/26W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight
Endocrine - changes in adrenal weight
Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
28(Suppl 3),116,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 56 gm/kg/26D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - urine volume increased
Kidney, Ureter, Bladder - changes in bladder weight
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
28(Suppl 3),131,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 182 gm/kg/13W-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition
Blood - normocytic anemia
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
28(Suppl 3),103,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 6 gm/kg/5D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes
Kidney, Ureter, Bladder - changes in bladder weight
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
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: 3,468,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 72800 mg/kg/13W-C
TOXIC EFFECTS :
Behavioral - fluid intake
Liver - changes in liver weight
Blood - normocytic anemia
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
28(Suppl 3),103,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 31 gm/kg/31D-I
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands
Gastrointestinal - hypermotility, diarrhea
Gastrointestinal - nausea or vomiting
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),812,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2100 mg/kg/7D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
Kidney, Ureter, Bladder - other changes in urine composition
Nutritional and Gross Metabolic - changes in chlorine
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: 29,3459,1995
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 10 gm/kg/5D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
Kidney, Ureter, Bladder - urine volume increased
Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
28(Suppl 3),131,1980
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 22 gm/kg
SEX/DURATION : female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),846,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 52 gm/kg
SEX/DURATION : female 17-22 day(s) after conception
lactating female 20 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - physical
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),865,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 4 gm/kg
SEX/DURATION : female 9-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
(e.g., placenta, umbilical cord)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Effects on Newborn - physical
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,249,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 32 gm/kg
SEX/DURATION : female 9-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,249,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 10 gm/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki,
Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year:
27(Suppl 7),846,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 600 mg/kg
SEX/DURATION : female 7-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,249,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 4800 mg/kg
SEX/DURATION : female 7-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
(e.g., placenta, umbilical cord)
Reproductive - Effects on Newborn - physical
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 3,249,1969
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 83992
No. of Facilities: 58 (estimated)
No. of Industries: 2
No. of Occupations: 3
No. of Employees: 902 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 83992
No. of Facilities: 171 (estimated)
No. of Industries: 1
No. of Occupations: 3
No. of Employees: 2977 (estimated)
No. of Female Employees: 1729 (estimated)
*** END OF RECORD ***