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MSDS  : 5-Thia-1-azabicyclo(4,2,0)oct-2-ene-2-carboxylic acid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl) thio)methyl)-8-oxo-(6R,7R)-7-(2-(3,5-dichloro-4-oxo-1 (4H)-pyridyl)acetamid o)-, monosodium salt
CAS  : 63521-15-3
SYNONYMS  : * Cefazedone sodium salt * EMD 30087 * Refosporen
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : XI0384000
CHEMICAL NAME : 5-Thia-1-azabicyclo(4,2,0)oct-2-ene-2-carboxylic
acid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)
thio)methyl)-8-oxo-(6R,7R)-7-(2-(3,5-dichloro-4-oxo-1
(4H)-pyridyl)acetamid o)-, monosodium salt
CAS REGISTRY NUMBER : 63521-15-3
LAST UPDATED : 199309
DATA ITEMS CITED : 12
MOLECULAR FORMULA : C18-H14-Cl2-N5-O5-S3.Na
MOLECULAR WEIGHT : 570.44
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Cefazedone sodium salt
* EMD 30087
* Refosporen

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4225 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 6800 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 3 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 3200 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 182 gm/kg/26W-I
TOXIC EFFECTS :
Behavioral - food intake (animal)
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,424,1979

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE : 27 gm/kg
SEX/DURATION : male 10 week(s) pre-mating
female 2 week(s) pre-mating - 6 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)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,419,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE : 5 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)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,419,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE : 29 gm/kg
SEX/DURATION : female 15-22 day(s) after conception
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,419,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rabbit
DOSE : 650 mg/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
before birth)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,419,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1300 mg/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - abortion
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 29,419,1979

*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
5-Thia-1-azabicyclo(4,2,0)oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-(2-(4-pyridylthio)acetamido)-, acetate (ester), monosodiumsalt 24356-60-3
2-Thenylamine, N,N-bis(2-chloroethyl)-5-methyl- 3331-95-1
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-(2-(2-thienyl)acetamido)-, acetate (ester) 153-61-7
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-(2-(2-thienyl)acetamido)-, acetate, monosodium salt 58-71-9
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-(2-(2-thienyl)acetamido)-, sodium salt 5547-29-5
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((((4-hydroxy-6-methyl-3-pyridinyl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)-3-(((1-methyl-1H-t etrazol-5-yl)thio)methyl)-8-oxo-, monosodium salt,(6R-(6-alpha,7-beta(R*)))- 74849-93-7
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-((hydroxyphenylacetyl)amino)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-,(6R-(6-alpha,7-beta(R*)))- 34444-01-4
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid,7-((hydroxyphenylacetyl)amino)-8-oxo-3-(((1-sulfomethyl)-1H-tetrazol-5-yl) thio)methyl)-,(6R-(6-alpha,7-beta(R*)))- 61270-58-4
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((((5-hydroxy-2-(1-piperazinyl)pyrido(2,3-d)pyrimidin-6-yl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)- 3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-, monosodium salt,(6R-(6-alpha,7-beta(R*)))- 60837-22-1
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-((((1-imino-2-phenylethyl)amino)acetyl)amino)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-, (6R-trans)- 40158-24-5
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-mandelamido-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-, monosodiumsalt, D- 30034-03-8
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(4-methoxyphenyl)cyclopentyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-26-6
2-Thenylamine, N,N-bis(2-chloroethyl)-5-methyl-,hydrochloride 14742-54-2
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(3-methoxyphenyl)cyclopropyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-17-5
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(4-methoxyphenyl)cyclopropyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-18-6
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-methyl-8-oxo-7-(((1-phenylcyclopentyl)carbonyl)amino)-,(6R-trans)- 108098-25-5
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-methyl-8-oxo-7-(((1-phenylcyclopropyl)carbonyl)amino)-,(6R-trans)- 108098-16-4
5-Thia-1-azabicyclo(4,2,0)oct-2-ene-2-carboxylicacid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-(6R,7R)-7-(2-(3,5-dichloro-4-oxo-1(4H)-pyridyl)acetamid o)-, monosodium salt 63521-15-3
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-(2-(1H-tetrazol-1-yl)acetamido)- 25953-19-9
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-(2-(1H-tetrazol-1-yl)acetamido)-, mixed with sodium nitrite (1:4) 25953-19-9
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-(((1H-tetrazol-1-yl)acetyl)amino)-, (6R-trans)-, sodium salt 27164-46-1
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 8-oxo-7-((1H-tetrazol-1-ylacetyl)amino)-3-((1,3,4-thiadiazol-2-ylthio)methyl)-,monosodium salt, (6R-trans)- 41136-22-5
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(4-propoxyphenyl)cyclobutyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-22-2
Tetrodotoxin, O(sup 4)-methyl- 7724-39-2
2-Thenylamine, alpha-(p-bromobenzyl)-, hydrochloride 80154-75-2
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(2-propoxyphenyl)cyclopentyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-30-2
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(3-propoxyphenyl)cyclopentyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-29-9
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(4-propoxyphenyl)cyclopentyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-28-8
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(2-propoxyphenyl)cyclopropyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108098-20-0
5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylicacid, 7-(((1-(4-propoxyphenyl)cyclopropyl)carbonyl)amino)-3-methyl-8-oxo-, (6R-trans)- 108146-11-8
1-Thia-3-aza-2-silacyclopentane,2-(p-chlorophenyl)-2,5-diphenyl- 102367-62-4
1-Thia-3-aza-2-silacyclopentane,2-(p-chlorophenyl)-2-methyl- 84260-43-5
1-Thia-3-aza-2-silacyclopentane, 2,2-diethyl- 84260-21-9
1-Thia-3-aza-2-silacyclopentane,2,2-diethyl-5-methyl- 84260-33-3
1-Thia-3-aza-2-silacylcopentane, 2,2-dimethyl- 84260-28-6
2-Thenylamine, alpha-(p-bromobenzyl)-N-isopropyl-,hydrochloride 80154-76-3
1-Thia-3-aza-2-silacyclopentane,2,5-dimethyl-2-(p-fluorophenyl)- 84260-41-3
1-Thia-3-aza-2-silacyclopentane,2,5-dimethyl-2-(p-methoxyphenyl)- 84260-39-9
1-Thia-3-aza-2-silacyclopentane,2,5-dimethyl-2-phenyl- 84260-31-1
1-Thia-3-aza-2-silacyclopentane, 2,2-diphenyl- 84260-35-5
1-Thia-3-aza-2-silacyclopentane,2-(p-fluorophenyl)-2-methyl- 84260-27-5
1-Thia-3-aza-2-silacyclopentane,2-(p-methoxyphenyl)-2-methyl- 84260-25-3
1-Thia-3-aza-2-silacyclopentane, 2-methyl-2-phenyl- 84260-23-1
1-Thia-3-aza-2-silacyclopentane,2-methyl-2-(p-tolyl)- 84260-37-7
1-Thia-4-azaspiro(4.5)decane, 8-methyl-,hydrochloride 31404-04-3
2-Thia-7-azaspiro(4.4)nonane-6,8-dione, 7-allyl- 10288-31-0
3-Thenylamine, 2-bromo-N,N-bis(2-chloroethyl)-,hydrochloride 13792-99-9
7-Thiabicyclo(2.2.1)heptane-2,3-dicarboxylic acid,(exo,exo)- 109282-39-5
9-Thiabicyclo(3.3.1)nonane, 2,6-dichloro- 6522-21-0
8-Thia-1,3-diazaspiro(4.5)decane-2,4-dione 39124-15-7

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