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MSDS  : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-6-(5-methyl-3-phenyl-4- isoxazolecarboxamide)-7-oxo-
CAS  : 66-79-5
SYNONYMS  : * 5-Methyl-3-phenyl-4-isoxazolyl-penicillin * MPi-PC * MPI-penicillin * Oxacillin * Oxazocillin * Penicillin, (5-methyl-3-phenyl-4-isoxazolyl)- * Prostaphlyn
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : XH9000000
CHEMICAL NAME : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,
3,3-dimethyl-6-(5-methyl-3-phenyl-4-
isoxazolecarboxamide)-7-oxo-
CAS REGISTRY NUMBER : 66-79-5
LAST UPDATED : 199606
DATA ITEMS CITED : 12
MOLECULAR FORMULA : C19-H19-N3-O5-S
MOLECULAR WEIGHT : 401.47
WISWESSER LINE NOTATION : T45 ANV ESTJ F1 F1 GVQ CMV- DT5NOJ C1 FR
COMPOUND DESCRIPTOR : Drug
Mutagen
Human
SYNONYMS/TRADE NAMES :
* 5-Methyl-3-phenyl-4-isoxazolyl-penicillin
* MPi-PC
* MPI-penicillin
* Oxacillin
* Oxazocillin
* Penicillin, (5-methyl-3-phenyl-4-isoxazolyl)-
* Prostaphlyn

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE/DURATION : 200 mg/kg/10D-I
TOXIC EFFECTS :
Gastrointestinal - other changes
REFERENCE :
SMJOAV Southern Medical Journal. (Southern Medical Assoc., POB 2446,
Birmingham, AL 35205) V.1- 1908- Volume(issue)/page/year: 77,532,1984

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Human - man
DOSE/DURATION : 3800 mg/kg/19D-I
TOXIC EFFECTS :
Blood - agranulocytosis
REFERENCE :
JOPDAB Journal of Pediatrics. (C.V. Mosby Co., 11830 Westline Industrial
Dr., St. Louis, MO 63141) V.1- 1932- Volume(issue)/page/year:
89,769,1976

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Human - child
DOSE/DURATION : 2550 mg/kg/17D-I
TOXIC EFFECTS :
Blood - agranulocytosis
REFERENCE :
JOPDAB Journal of Pediatrics. (C.V. Mosby Co., 11830 Westline Industrial
Dr., St. Louis, MO 63141) V.1- 1932- Volume(issue)/page/year:
90,668,1977

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Human - infant
DOSE/DURATION : 3800 mg/kg/19D-I
TOXIC EFFECTS :
Blood - agranulocytosis
REFERENCE :
JOPDAB Journal of Pediatrics. (C.V. Mosby Co., 11830 Westline Industrial
Dr., St. Louis, MO 63141) V.1- 1932- Volume(issue)/page/year:
89,769,1976

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Human - woman
DOSE/DURATION : 5560 mg/kg/20D-I
TOXIC EFFECTS :
Blood - agranulocytosis
REFERENCE :
SMJOAV Southern Medical Journal. (Southern Medical Assoc., POB 2446,
Birmingham, AL 35205) V.1- 1908- Volume(issue)/page/year: 70,1245,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 42(9),10,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 6500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
GKNT, 1982 Volume(issue)/page/year: -,95,1982

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1490 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation
of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1-
1967- Volume(issue)/page/year: 1,245,1967

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 28 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 42(9),10,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 120 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 42(9),10,1977

** MUTATION DATA **

TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Microorganism - not otherwise specified
DOSE/DURATION : 4 mg/L
REFERENCE :
JOBAAY Journal of Bacteriology. (American Soc. for Microbiology, 1913 I
St., NW, Washington, DC 20006) V.1- 1916- Volume(issue)/page/year:
170,1831,1988

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X3709
No. of Facilities: 231 (estimated)
No. of Industries: 1
No. of Occupations: 5
No. of Employees: 11502 (estimated)
No. of Female Employees: 9533 (estimated)


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((2,2-dimethyl-1-oxopropyl)amino)-7-oxo-, monosodium salt 20520-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((2,3-dioxo-4-propyl-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 65125-88-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 61477-96-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((3-fluoro-4-methoxyphenoxy)acetyl)amino)-7-oxo-, monopotassiumsalt, (2S-(2-alpha,5-alpha,6-beta))- 15440-46-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-hexanamido-7-oxo- 4493-18-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(3-hexenamido)-7-oxo- 118-53-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((2-hydroxybenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-,(2S-(2-alpha,5-alpha,6-beta(S*)))- 143667-43-0
Thallium selenide 12039-52-0
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(2-(p-hydroxyphenyl) acetamido)-7-oxo- 525-91-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((4-hydroxy-3-(2-propenyl)benzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5- alpha,6-beta(S*)))- 143667-51-0
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((4-(methylamino)benzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta (S*)))- 143667-45-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-((((((3-methylbenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-7-oxo-,(2S-(2-alpha,5-alpha,6-beta(S*)))- 143667-42-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-methyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 59723-60-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((4-methylphenoxy)acetyl)amino)-7-oxo-, monopotassium salt,(2S-(2-alpha,5-alpha,6-beta))- 15545-38-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamide)-7-oxo- 66-79-5
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamido)-7-oxo-, monosodium salt 1173-88-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((3-(methylsulfonyl)-2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, sodium salt,(2S-(2-alpha,5-alpha,6-beta)(S*))- 42057-22-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-octanamido-7-oxo- 525-97-3
Thallium(I) selenite 525-97-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-6-(((((4-octyl-2,3-dioxo-1-piperazinyl)carboxyl)amino)phenylacetyl)amino)-7-oxo-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 59703-98-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(butylthio acetamido)- 6192-29-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-, 4,4-dioxide, sodium salt,(2S-cis)- 69388-84-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(((((2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)amino)-,monosodium salt, (2S-(2-alpha,5-alpha,6-beta(S*)))- 37091-65-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxyacetamido)-, compd.with N,N'-dibenzylethylenediamine (2:1) 5928-84-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxyacetamido)-, compd.with4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-N-((4-(2-hydroxyethyl)-1-piperazinyl)methyl)-6- methyl-1,11-dioxo-2-naphthacenecarboxamide (1:1) 4599-60-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy- acetamido)-,monopotassium salt 132-98-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy acetamido)-,monosodium salt 1098-87-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((((((4-phenoxybenzoyl)hydrazono)acetyl)amino)phenylacetyl)amino)-, (2S-(2-alpha,5-alpha,6-beta(S*)))- 143729-85-5
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy butyramido)-, compd.with dibenzylamine 102367-60-2
Thallium sulfate 10031-59-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxybutyramido)-,monopotassium salt 1245-44-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenoxybutyramido)-, sodiumsalt 31090-17-2
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenoxy butyramido)-,monosodium salt, L- 102367-61-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenoxyphenyl acetyl)amino)-,monopotassium salt 1177-30-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxypropionamido)- 147-55-7
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenoxypropionamido)-,monopotassium salt 132-93-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)- 61-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo- 6-(2-phenylacetamido)-, ammoniumsalt 61-33-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-, compd.with dibenzylamine 7179-52-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compd.with N,N'-dibenzylethylenediamine (2:1) 1538-09-6
Thallium(I) sulfate (21) 7446-18-6
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2- phenylacetamido)-, compd.with 2-(diethylamino)ethyl p-aminobenzoate (1:1) 54-35-3
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxilic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-, compd.with 2-(diethylamino)ethyl p-aminobenzoate (1:1),monohydrate 6130-64-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-,2-(diethylamino)ethyl ester 3689-73-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compdwith ephedrine (1:1) 7177-45-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-, compd.with alpha,alpha'-(ethylenediimino)di-o-cresol 3841-12-1
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6- (2-phenylacetamido)-,monopotassium salt 113-98-4
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-(2-phenyl acetamido)-,monosodium salt 69-57-8
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-2S-(2-alpha,5-alpha,6-beta))-, compd. with(1R-(1-alpha(1R*,4aS*,10aR*),4a-beta,10a-alpha))-N,N'-bis((1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methyle thyl)-1-phenanthrenyl)methyl)-1,2-ethanediamine (2:1) 3344-16-9
4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)-(2S-(2-alpha,5-alpha,6-beta))-,compd. with 1-p-chlorobenzyl-2-pyrrolidyl-methylbenzimidazol 3344-16-9

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