头孢噻吩酸

Ki: 0.32 μM (β-lactamase AmpC)[1]

[1]. Morandi S, et al. Structure-based optimization of cephalothin-analogue boronic acids as beta-lactamase inhibitors. Bioorg Med Chem. 2008 Feb 1;16(3):1195-205. Epub 2007 Nov 7.

MOLECULAR FORMULA :

C16-H16-N2-O6-S2

MOLECULAR WEIGHT :

396.46

WISWESSER LINE NOTATION :

T46 ANV ES GUTJ G1OV1 HVQ CMV1- BT5SJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

4296 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 gm/kg

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>5 gm/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - acute pulmonary edema Kidney, Ureter, Bladder - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Parenteral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

23 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

>4 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4990 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

7 gm/kg

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intracerebral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

81 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

70 gm/kg/35D-I

TOXIC EFFECTS :

Blood - normocytic anemia Skin and Appendages - dermatitis, other (after systemic exposure) Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

21 gm/kg/21D-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 sodium

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

31 gm/kg/31D-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

8800 mg/kg

SEX/DURATION :

female 7-17 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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

18 gm/kg

SEX/DURATION :

female 9-11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - skin and skin appendages

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Unreported

DOSE :

9 gm/kg

SEX/DURATION :

female 9-11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

MUTATION DATA

TYPE OF TEST :

Phage inhibition capacity

TEST SYSTEM :

Microorganism - not otherwise specified

DOSE/DURATION :

25 ug/plate

REFERENCE :

ZMMPAO Zentralblatt fuer Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung 1: Originale, Reihe A: Medizinische Mikrobiologie und Parasitologie. (Stuttgart, Fed. Rep. Ger.) V.217-245, 1971-79. Volume(issue)/page/year: 231,369,1975 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83991 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 1452 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83991 No. of Facilities: 290 (estimated) No. of Industries: 1 No. of Occupations: 8 No. of Employees: 21013 (estimated) No. of Female Employees: 19052 (estimated)