Meseclazone
Names
Biological Activity
[Description]:
Meseclazone exhibits inhibitory potency of secondary phase ADP aggregation. Meseclazone possesses anti-inflammatory, analgesic and antipyretic activity.
[Related Catalog]:
[In Vivo]
Meseclazone inhibits collagen-induced aggregation 1 and 4 hr after oral administration[1]. Intravenous administration of Meseclazone and other nonsteroidal anti-inflammatory drugs caused a dose-dependent inhibition of bronchoconstriction resulting in the following order of descending potency: isoproterenol congruent to indomethacin greater than fenoprofen greater than tolmetin greater than aspirin greater than naproxen congruent to ibuprofen greater than phenylbutazone greater than diflunisal greater than Meseclazone greater than 5-CSA[2].
[References]
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Chemical & Physical Properties
[ Density]:
1.47g/cm3
[ Boiling Point ]:
435.6ºC at 760mmHg
[ Molecular Formula ]:
C11H10ClNO3
[ Molecular Weight ]:
239.65500
[ Flash Point ]:
217.3ºC
[ Exact Mass ]:
239.03500
[ PSA ]:
38.77000
[ LogP ]:
2.16240
[ Vapour Pressure ]:
8.62E-08mmHg at 25°C
[ Index of Refraction ]:
1.632
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- NY3200000
- CHEMICAL NAME :
- 2H,9H-Isoxazolo(3,2-b)(1,3)benzoxazin-9-one, 3,3a-dihydro-7-chloro-2-methyl-
- CAS REGISTRY NUMBER :
- 29053-27-8
- LAST UPDATED :
- 199409
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C11-H10-Cl-N-O3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1160 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 33,147,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2250 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 33,147,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- >2500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 33,147,1975 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1280 mg/kg/4D-I
- TOXIC EFFECTS :
- Gastrointestinal - ulceration or bleeding from stomach Related to Chronic Data - death
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 52,454,1980