Pazufloxacin

Modify Date: 2024-01-01 22:25:57

Pazufloxacin Structure
Pazufloxacin structure
Common Name Pazufloxacin
CAS Number 127045-41-4 Molecular Weight 318.300
Density 1.6±0.1 g/cm3 Boiling Point 531.5±50.0 °C at 760 mmHg
Molecular Formula C16H15FN2O4 Melting Point 269-271°C
MSDS Chinese USA Flash Point 275.2±30.1 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of Pazufloxacin


Pazufloxacin (T-3761) is a fluoroquinolone antibiotic.Target: AntibacterialPazufloxacin (T-3761), a new quinolone derivative, showed broad and potent antibacterial activity. T-3761 showed good efficacy in mice against systemic, pulmonary, and urinary tract infections with gram-positive and gram-negative bacteria, including quinolone-resistant Serratia marcescens and Pseudomonas aeruginosa. The in vivo activity of T-3761 was comparable to or greater than those of ofloxacin, ciprofloxacin, norfloxacin, and tosufloxacin against most infection models in mice. The activities of T-3761 were lower than those of tosufloxacin against gram-positive bacterial systemic and pulmonary infections in mice but not against infections with methicillin-resistant Staphylococcus aureus [1]. T-3761 had a broad spectrum of activity and had potent activity against gram-positive and -negative bacteria. The MICs of T-3761 against 90% of the methicillin-susceptible Staphylococcus aureus, methicillin-susceptible and -resistant Staphylococcus epidermidis, and Clostridium spp. tested were 0.39 to 6.25 micrograms/ml. The MBCs of T-3761 were either equal to or twofold greater than the MICs. The 50% inhibitory concentrations of T-3761 for DNA gyrases isolated from E. coli and P. aeruginosa were 0.88 and 1.9 micrograms/ml, respectively [2].

 Names

Name Pazufloxacin
Synonym More Synonyms

 Pazufloxacin Biological Activity

Description Pazufloxacin (T-3761) is a fluoroquinolone antibiotic.Target: AntibacterialPazufloxacin (T-3761), a new quinolone derivative, showed broad and potent antibacterial activity. T-3761 showed good efficacy in mice against systemic, pulmonary, and urinary tract infections with gram-positive and gram-negative bacteria, including quinolone-resistant Serratia marcescens and Pseudomonas aeruginosa. The in vivo activity of T-3761 was comparable to or greater than those of ofloxacin, ciprofloxacin, norfloxacin, and tosufloxacin against most infection models in mice. The activities of T-3761 were lower than those of tosufloxacin against gram-positive bacterial systemic and pulmonary infections in mice but not against infections with methicillin-resistant Staphylococcus aureus [1]. T-3761 had a broad spectrum of activity and had potent activity against gram-positive and -negative bacteria. The MICs of T-3761 against 90% of the methicillin-susceptible Staphylococcus aureus, methicillin-susceptible and -resistant Staphylococcus epidermidis, and Clostridium spp. tested were 0.39 to 6.25 micrograms/ml. The MBCs of T-3761 were either equal to or twofold greater than the MICs. The 50% inhibitory concentrations of T-3761 for DNA gyrases isolated from E. coli and P. aeruginosa were 0.88 and 1.9 micrograms/ml, respectively [2].
Related Catalog
References

[1]. Fukuoka, Y., et al., In vitro and in vivo antibacterial activities of T-3761, a new quinolone derivative. Antimicrob Agents Chemother, 1993. 37(3): p. 384-92.

[2]. Muratani, T., M. Inoue, and S. Mitsuhashi, In vitro activity of T-3761, a new fluoroquinolone. Antimicrob Agents Chemother, 1992. 36(10): p. 2293-303.

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 531.5±50.0 °C at 760 mmHg
Melting Point 269-271°C
Molecular Formula C16H15FN2O4
Molecular Weight 318.300
Flash Point 275.2±30.1 °C
Exact Mass 318.101593
PSA 94.55000
LogP 0.09
Vapour Pressure 0.0±1.5 mmHg at 25°C
Index of Refraction 1.692
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UU8815300
CHEMICAL NAME :
7H-Pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic acid, 2,3-dihydro-10-(1-aminocyclopropyl)-9- fluoro-3-methyl-7-oxo-, (S)-
CAS REGISTRY NUMBER :
127045-41-4
LAST UPDATED :
199801
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C16-H15-F-N2-O4
MOLECULAR WEIGHT :
318.33

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 43(Suppl 2),132,1995
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
341 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
783 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - nausea or vomiting Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,754,1995 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
36400 mg/kg/13W-I
TOXIC EFFECTS :
Gastrointestinal - other changes Musculoskeletal - joints
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,790,1995
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
16800 mg/kg/4W-I
TOXIC EFFECTS :
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: 43(Suppl 2),132,1995
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
2730 mg/kg/13W-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Musculoskeletal - joints
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,790,1995 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
125 gm/kg
SEX/DURATION :
male 9 week(s) pre-mating female 2 week(s) pre-mating - 7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,832,1995
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
16500 mg/kg
SEX/DURATION :
female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,832,1995
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
39 gm/kg
SEX/DURATION :
female 17-21 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Maternal Effects - parturition Reproductive - Maternal Effects - other effects
REFERENCE :
JJANAX Japanese Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo 141, Japan) V.21- 1968- Volume(issue)/page/year: 48,832,1995

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H312-H332
Precautionary Statements P280
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn: Harmful;
Risk Phrases R20/21/22
Safety Phrases S36/37
RIDADR NONH for all modes of transport
RTECS UU8815300

 Articles2

More Articles
[Pharmacological properties and expected clinical role of an injectable new quinolone antibiotic, pazufloxacin mesilate].

Nippon. Yakurigaku Zasshi. 122(2) , 161-78, (2003)

Pazufloxacin mesilate (PZFX: Pasil INJECTION, Pazucross INJECTION) is a novel injectable quinolone antibiotic that was discovered by Toyama Chemical Co., Ltd. and codeveloped by Toyama Chemical Co. Lt...

Pazufloxacin Toyama Chemical Co.

Curr. Opin. Investig. Drugs 1(1) , 52-7, (2000)

Toyama Chemical Co Ltd is developing pazufloxacin (T-3761), an orally active synthetic quinolone antibiotic, which is awaiting registration following successful clinical trials that demonstrated its p...

 Synonyms

T-3761
7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 10-(1-aminocyclopropyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-, (3S)-
PAZUFLOXAXIN
MFCD00865012
(-)-(3S)-10-(1-Aminocyclopropyl)-9-fluoro-2,3-dihydro-3-methyl-7--oxo-7H-pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic acid
T666 1A M BN EO KVT&&J C1 HF LVQ G- AL3TJ AZ &&S Form
(3S)-10-(1-Aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
ALKALYL
(S)-10-(1-Aminocyclopropyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Pazufloxaxin mesilate
Pazufloxacin318.3
Pazufloxacin
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