ChemicalBook > CAS DataBase List > 6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE

6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE

Product Name
6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE
CAS No.
5426-59-5
Chemical Name
6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE
Synonyms
6-broMo-2-Methylquinazolin-4-ol;6-bromo-2-methyl-1H-quinazolin-4-one;6-bromo-2-methyl-4(3H)-Quinazolinone;6-bromo-2-methylquinazolin-4(1H)-one;6-bromo-2-methyl-3H-quinazolin-4-one;4(3H)-Quinazolinone, 6-bromo-2-methyl-;4(1H)-Quinazolinone, 6-bromo-2-methyl-;6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE;6-bromo-2-methylquinazolin-4(3H)-one(SALTDATA: FREE)
CBNumber
CB71502674
Molecular Formula
C9H7BrN2O
Formula Weight
239.07
MOL File
5426-59-5.mol
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6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE Property

Melting point:
298 °C
Boiling point:
372.6±44.0 °C(Predicted)
Density 
1.72±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
pka
1.96±0.20(Predicted)
Appearance
Off-white to light brown Solid
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Safety

Risk Statements 
22
Safety Statements 
36/37
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

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

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

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N-Bromosuccinimide Price

TRC
Product number
B697670
Product name
6-Bromo-2-methylquinazolin-4(3H)-one
Packaging
100mg
Price
$45
Updated
2021/12/16
TRC
Product number
B697670
Product name
6-Bromo-2-methylquinazolin-4(3H)-one
Packaging
250mg
Price
$55
Updated
2021/12/16
TRC
Product number
B697670
Product name
6-Bromo-2-methylquinazolin-4(3H)-one
Packaging
500mg
Price
$65
Updated
2021/12/16
Frontier Specialty Chemicals
Product number
JK231259
Product name
6-Bromo-2-methylquinazolin-4(3H)-one
Purity
97%
Packaging
1g
Price
$272
Updated
2021/12/16
Matrix Scientific
Product number
072338
Product name
6-Bromo-2-methylquinazolin-4(3H)-one
Purity
95+%
Packaging
1g
Price
$347
Updated
2021/12/16
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6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE Chemical Properties,Usage,Production

Chemical Properties

Light yellow solid

Synthesis

108-24-7

5794-88-7

5426-59-5

The general procedure for the synthesis of 6-bromo-2-methylquinazolin-4(3H)-one from ethanoic anhydride and 2-amino-5-bromobenzoic acid was as follows: first, 2-amino-5-bromobenzoic acid was refluxed for 1 h in liquid ammonia (10 mL/g). Subsequently, the reaction solution was concentrated to a smaller volume and the residue was mixed with acetic anhydride (2 mL/g) and refluxing was continued for 4 hours. Upon completion of the reaction, water was added to the mixture and boiled for 30 minutes, followed by dropwise addition of 20% sodium hydroxide solution until a clarified solution was formed. Next, ammonium carbonate was added to the hot solution until a precipitate was formed. The mixture was allowed to stand at 4°C for 16 hours, after which the precipitate was collected by filtration, washed with water and finally dried under vacuum to give the target product in about 60% yield.

References

[1] Patent: US2009/69320, 2009, A1. Location in patent: Page/Page column 76
[2] Journal of the American Chemical Society, 1906, vol. 28, p. 101

6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE Suppliers

J & K SCIENTIFIC LTD.
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18210857532; 18210857532
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86-10-82849933
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jkinfo@jkchemical.com
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China
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Nanjing Habo Medical Technology Co., Ltd.
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025-85760892 13376080562
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025-85766769
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sales@habotech.com
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021-54306202 13764082696
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info@hanhongsci.com
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Bide Pharmatech Ltd.
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+86-21-61629029
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Nantong MYBio-pharm. Co., Ltd.
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0513-85921823 18662920231
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86-513-85012876
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View Lastest Price from 6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE manufacturers

Career Henan Chemical Co
Product
6-BROMO-2-METHYL-3,4-DIHYDROQUINAZOLIN-4-ONE 5426-59-5
Price
US $6.68/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
1kg-1000kg
Release date
2020-01-10