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4-BROMO-3-PHENYL-1H-PYRAZOLE

Product Name
4-BROMO-3-PHENYL-1H-PYRAZOLE
CAS No.
13808-65-6
Chemical Name
4-BROMO-3-PHENYL-1H-PYRAZOLE
Synonyms
4-Bromo-3-phenylpyrazole;4-bromo-5-phenyl-1H-pyrazole;3-phenyl-4-bromo-1H-pyrazole;4-BROMO-3-PHENYL-1H-PYRAZOLE;1H-Pyrazole, 4-bromo-3-phenyl-;4-bromo-3(5)-phenyl-1H-pyrazole;4-Bromo-3-phenyl-1(2)H-pyrazole
CBNumber
CB4847647
Molecular Formula
C9H7BrN2
Formula Weight
223.07
MOL File
13808-65-6.mol
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4-BROMO-3-PHENYL-1H-PYRAZOLE Property

Melting point:
116-117 °C(Solv: ethanol (64-17-5))
Boiling point:
365.8±22.0 °C(Predicted)
Density 
1.565±0.06 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
form 
powder to crystal
pka
12.23±0.50(Predicted)
color 
White to Light yellow
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Safety

HS Code 
2933199090
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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

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

TCI Chemical
Product number
B5181
Product name
4-Bromo-3-phenylpyrazole
Purity
min. 98.0 %
Packaging
200MG
Price
$50
Updated
2025/07/31
TCI Chemical
Product number
B5181
Product name
4-Bromo-3-phenylpyrazole
Purity
min. 98.0 %
Packaging
1G
Price
$149
Updated
2025/07/31
TRC
Product number
B698548
Product name
4-Bromo-3-phenyl-1(2)H-pyrazole
Packaging
500mg
Price
$175
Updated
2021/12/16
AK Scientific
Product number
V2795
Product name
4-Bromo-3-phenyl-1(2)H-pyrazole
Packaging
1g
Price
$186
Updated
2021/12/16
SynQuest Laboratories
Product number
3H31-9-44
Product name
4-Bromo-3-phenyl-1H-pyrazole
Packaging
1g
Price
$285
Updated
2021/12/16
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4-BROMO-3-PHENYL-1H-PYRAZOLE Chemical Properties,Usage,Production

Synthesis

2458-26-6

13808-65-6

The general procedure for the synthesis of 4-bromo-3-phenyl-1H-pyrazole from 3-phenyl-1H-pyrazole was as follows: 3-phenyl-1H-pyrazole (4.08 g, 28.3 mmol) and N-bromosuccinimide (NBS, 5.04 g, 28.3 mmol) were dissolved in N,N-dimethylformamide (DMF, 40 mL), and the reaction was stirred for 1 h at room temperature. After completion of the reaction, the reaction mixture was poured into water and extracted with ethyl acetate (AcOEt). The organic phases were combined, washed sequentially with water and saturated saline, dried over anhydrous magnesium sulfate (MgSO?) and concentrated under reduced pressure to remove the solvent. The resulting residue was recrystallized by hexane/ethyl acetate mixed solvent to give the title compound 4-bromo-3-phenyl-1H-pyrazole (5.84 g, 93% yield) as a white solid with a melting point of 114-116 °C. The NMR hydrogen spectrum (300 MHz, CDCl?) data were as follows: δ 7.39-7.50 (m, 3H), 7.64 (s, 1H), 7.77 (d, J = 6.8 Hz, 2H), 10.73 (brs, 1H).

References

[1] Patent: US2010/197651, 2010, A1. Location in patent: Page/Page column 68
[2] Patent: WO2008/150827, 2008, A1. Location in patent: Page/Page column 57
[3] Inorganica Chimica Acta, 2010, vol. 363, # 7, p. 1332 - 1342
[4] Tetrahedron Letters, 2017, vol. 58, # 43, p. 4111 - 4114
[5] Chemische Berichte, 1895, vol. 28, p. 688

4-BROMO-3-PHENYL-1H-PYRAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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4-BROMO-3-PHENYL-1H-PYRAZOLE Suppliers

Alchem Pharmtech,Inc.
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8485655694
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sales@alchempharmtech.com
Country
United States
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63687
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Aladdin Scientific
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tp@aladdinsci.com
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United States
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57505
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58
Synthonix Inc
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United States
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6872
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SynQuest Laboratories, Inc.
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Country
United States
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Combi-Blocks Inc.
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United States
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Allweys LLC
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sales@allweysllc.com
Country
United States
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View Lastest Price from 4-BROMO-3-PHENYL-1H-PYRAZOLE manufacturers

Career Henan Chemical Co
Product
4-BROMO-3-PHENYL-1H-PYRAZOLE 13808-65-6
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kg
Release date
2019-12-30