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ChemicalBook > CAS DataBase List > 6-bromoquinoxalin-2(1H)-one

6-bromoquinoxalin-2(1H)-one

Uses
Product Name
6-bromoquinoxalin-2(1H)-one
CAS No.
55687-34-8
Chemical Name
6-bromoquinoxalin-2(1H)-one
Synonyms
6-BROMOQUINOXALIN-2-OL;6-bromo-1H-quinoxalin-2-one;6-bromoquinoxalin-2(1H)-one;6-Bromo-2-hydroxyquinoxaline;2(1H)-Quinoxalinone, 6-broMo-;6-broMo-1,2-dihydroquinoxalin-2-one;4,6-DIMETHYLCYCLOHEXYLAMINEHYDROCHLORIDE
CBNumber
CB01515826
Molecular Formula
C8H5BrN2O
Formula Weight
225.04
MOL File
55687-34-8.mol
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6-bromoquinoxalin-2(1H)-one Property

Melting point:
298-300 °C(Solv: acetic acid (64-19-7))
Density 
1.82±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
pka
8.10±0.70(Predicted)
Appearance
Light brown to gray Solid
InChI
InChI=1S/C8H5BrN2O/c9-5-1-2-6-7(3-5)10-4-8(12)11-6/h1-4H,(H,11,12)
InChIKey
BDBWPIXISLYKEG-UHFFFAOYSA-N
SMILES
N1C2=C(C=C(Br)C=C2)N=CC1=O
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Safety

HS Code 
2933998090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC
Product number
B696273
Product name
6-Bromo-2-hydroxyquinoxaline
Packaging
25mg
Price
$45
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB42254
Product name
6-Bromo-2-hydroxyquinoxaline
Packaging
250mg
Price
$75
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB42254
Product name
6-Bromo-2-hydroxyquinoxaline
Packaging
500mg
Price
$130
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB42254
Product name
6-Bromo-2-hydroxyquinoxaline
Packaging
1g
Price
$210
Updated
2021/12/16
Matrix Scientific
Product number
073234
Product name
6-Bromo-2-hydroxyquinoxaline
Purity
95+%
Packaging
250mg
Price
$260
Updated
2021/12/16
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6-bromoquinoxalin-2(1H)-one Chemical Properties,Usage,Production

Uses

6-Bromoquinoxaline-2(1H)-one is a quinoline derivative that can be used as a pharmaceutical intermediate.

Synthesis

96089-46-2

55687-34-8

Part B. Synthesis of 6-bromoquinoxalin-2(1H)-one: To a solution of sodium hydroxide (337 mg, 8.4 mmol) in water (2.1 mL) was added the product of Part A (423 mg, 1.4 mmol) and the reaction was stirred for 1 hr at 65°C. The reaction was completed with the addition of sodium borohydride (31.9 mg, 0.84 mmol). Upon completion of the reaction, the solution was cooled to room temperature, diluted with water (4 mL), followed by the addition of sodium borohydride (31.9 mg, 0.84 mmol), and continued to be stirred at room temperature for 1.5 hours. Ice was added to the reaction mixture and 6 μL of hydrochloric acid was added slowly and dropwise until the solution became acidic. The precipitated solid product was collected by filtration, washed with water and dried in a vacuum oven to afford 6-bromoquinoxalin-2(1H)-one (273 mg, 86% yield).

References

[1] Patent: WO2009/39134, 2009, A1. Location in patent: Page/Page column 185
[2] Heterocycles, 1985, vol. 23, # 1, p. 143 - 151

6-bromoquinoxalin-2(1H)-one Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 6-bromoquinoxalin-2(1H)-one manufacturers

Career Henan Chemical Co
Product
6-bromoquinoxalin-2(1H)-one 55687-34-8
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2020-01-11

55687-34-8, 6-bromoquinoxalin-2(1H)-oneRelated Search:

6-BROMO-2(1H)-QUINOLONE 6-Bromoquinazoline 6-BroMoquinoline-3-carbonitrile 6-bromoquinoxalin-2-amine 6-BROMO-QUINAZOLIN-4-YLAMINE bromchlorenone 6-BROMO-2(1H)-QUINAZOLINONE 6-BroMoquinoline-2-carbaldehyde 6-BROMOQUINOLINE-3-CARBOXYLIC ACID 3-Quinolinecarboxaldehyde, 6-broMo- 6-BroMoquinolin-3-aMine 6-Bromogramine ETHYL 6-BROMOQUINOLINE-3-CARBOXYLATE 6-bromo-1,4-dihydro-quinoxaline-2,3-dione ETHYL 7-BROMO-3-OXO-3,4-DIHYDROQUINOXALINE-2-CARBOXYLATE METHYL 7-BROMO-3-OXO-3,4-DIHYDROQUINOXALINE-2-CARBOXYLATE 3-amino-6-bromoquinoxalin-2-ol 7-BROMO-3-OXO-3,4-DIHYDROQUINOXALINE-2-CARBOXYLIC ACID

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