2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl-

Modify Date: 2025-08-24 11:17:28

2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- Structure
2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- structure
Common Name 2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl-
CAS Number 79759-43-6 Molecular Weight 303.15400
Density 1.534g/cm3 Boiling Point 419.7ºC at 760 mmHg
Molecular Formula C14H11BrN2O Melting Point N/A
MSDS N/A Flash Point 207.6ºC

 Names

Name 5-bromo-1-methyl-3-phenylbenzimidazol-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.534g/cm3
Boiling Point 419.7ºC at 760 mmHg
Molecular Formula C14H11BrN2O
Molecular Weight 303.15400
Flash Point 207.6ºC
Exact Mass 302.00500
PSA 26.93000
LogP 3.09170
Index of Refraction 1.664
InChIKey HRKLHPWXQWEIQA-UHFFFAOYSA-N
SMILES Cn1c(=O)n(-c2ccccc2)c2cc(Br)ccc21

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DE2275830
CHEMICAL NAME :
2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl-
CAS REGISTRY NUMBER :
79759-43-6
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C14-H11-Br-N2-O
MOLECULAR WEIGHT :
303.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 16,321,1981

 Synthetic Route

~61%

2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- Structure

2H-Benzimidazol...

CAS#:79759-43-6

Literature: Beyer, Astrid; Reucher, Christine M. M.; Bolm, Carsten Organic Letters, 2011 , vol. 13, # 11 p. 2876 - 2879

~95%

2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- Structure

2H-Benzimidazol...

CAS#:79759-43-6

Literature: Bianchi; Butti; Rossi; et al. European Journal of Medicinal Chemistry, 1981 , vol. 16, # 4 p. 321 - 326

~%

2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- Structure

2H-Benzimidazol...

CAS#:79759-43-6

Literature: Bianchi; Butti; Rossi; et al. European Journal of Medicinal Chemistry, 1981 , vol. 16, # 4 p. 321 - 326

~%

2H-Benzimidazol-2-one, 1,3-dihydro-5-bromo-1-methyl-3-phenyl- Structure

2H-Benzimidazol...

CAS#:79759-43-6

Literature: Bianchi; Butti; Rossi; et al. European Journal of Medicinal Chemistry, 1981 , vol. 16, # 4 p. 321 - 326

 Synonyms

5-bromo-1-methyl-3-phenyl-1,3-dihydro-benzoimidazol-2-one
2H-Benzimidazol-2-one,1,3-dihydro-5-bromo-1-methyl-3-phenyl
1,3-Dihydro-5-bromo-1-methyl-3-phenyl-2H-benzimidazol-2-one
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