5-Bromo-3-methyl-2(1H)-pyridinone
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5-Bromo-3-methyl-2(1H)-pyridinone
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CAS No:
89488-30-2
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Formula:
C6H6BrNO
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Chemical Name:
5-Bromo-3-methyl-2(1H)-pyridinone
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Synonyms:
2(1H)-Pyridinone,5-bromo-3-methyl-;2(1H)-Pyridone,5-bromo-3-methyl-;5-Bromo-3-methyl-2(1H)-pyridinone;5-Bromo-2-hydroxy-3-methylpyridine;NSC 142314;5-Bromo-3-methylpyridin-2-ol;5-Bromo-3-methyl-2-hydroxypyridine;5-Bromo-3-methylpyridin-2(1H)-one;5-Bromo-3-methyl-1H-pyridin-2-one;98042-75-2
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CAS No:
Characteristics
29.1
1
Off-white Solid
1.7±0.1 g/cm3
166-167 °C
295.1ºC at 760 mmHg
151.1±26.5 °C
1.598
Safety Information
IRRITANT
NONH for all modes of transport
3
22-38-41-36/37/38
36/37/39-36-26
Xn,Xi
Harmful
P280-P305 + P351 + P338
H302-H315-H318
|Danger|H302 (97.67%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P310, P321, P330, P332+P313, P362, and P501|Aggregated GHS information provided by 43 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
5-Bromo-3-methyl-2(1H)-pyridinone Use and Manufacturing
Sodium nitrite (5.0 g, 72.5 mmol) in water (10 mL) was added dropwise to a cooled (0 °C) mixture of 2-amino-5-bromo-3-methylpyridine (5.0 g, 26.7 mmol; Lancaster) in 2.6 M sulfuric acid (70 mL). The mixture was allowed to warm to ambient temperature, stir for 1.5 hours, filtered, and the filtercake was washed with cold water and air dried. The precipitate was dissolved in dichloromethane (100 mL), dried (MgSO4), and concentrated to provide the title compound as a solid (4.2 g, 84percent). MS (DCI/NH3) m/z 348 (M+H)+.To a mixture of 2-(chloromethyl)-4-methoxy-3, 5-dimethylpyridine hydrochloride (600 mg, 2.7 mmol) and A mixture of 1-(1-benzyl-5-methyl-1H-pyrazol-4-yl)-2-bromoethan- 1-one (590 mg), (0592) To a solution of
Computed Properties
Molecular Weight:188.02
XLogP3:1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Exact Mass:186.96328
Monoisotopic Mass:186.96328
Topological Polar Surface Area:29.1
Heavy Atom Count:9
Complexity:205
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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5-Bromo-3-methyl-2(1H)-pyridinone
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