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81117-82-0

81117-82-0 structure

81117-82-0 structure

Name: Urea, (5-chloro-2,3-dihydro-3-methyl-2-oxo-6-benzoxazolyl)-
Chemical Name: (5-chloro-3-methyl-2-oxo-1,3-benzoxazol-6-yl)urea
CAS Number: 81117-82-0
Molecular Formula: C₉H₈ClN₃O₃
Molecular Weight: 241.63100
Create Date: 2018-06-14 12:05:40
Modify Date: 2025-09-25 17:30:25

Name	(5-chloro-3-methyl-2-oxo-1,3-benzoxazol-6-yl)urea
Synonyms	5-Chloro-3-methyl-6-carbamide-benzoxazolinone-2

Density	1.618g/cm3
Molecular Formula	C₉H₈ClN₃O₃
Molecular Weight	241.63100
Exact Mass	241.02500
PSA	90.26000
LogP	2.04880
Index of Refraction	1.693

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YS4740125

CHEMICAL NAME :: Urea, (5-chloro-2,3-dihydro-3-methyl-2-oxo-6-benzoxazolyl)-

CAS REGISTRY NUMBER :: 81117-82-0

LAST UPDATED :: 199212

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H8-Cl-N3-O3

MOLECULAR WEIGHT :: 241.65

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity)

REFERENCE :: APPHAX Acta Poloniae Pharmaceutica. For English translation, see APPFAR. (Ars Polona, POB 1001, 00-680 Warsaw 1, Poland) V.1- 1937- Volume(issue)/page/year: 38,369,1981

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