ChemicalBook > CAS DataBase List > 1-Phenyl-3-aminopyrazole

1-Phenyl-3-aminopyrazole

Product Name
1-Phenyl-3-aminopyrazole
CAS No.
1128-56-9
Chemical Name
1-Phenyl-3-aminopyrazole
Synonyms
1-phenylpyrazol-3-amine;1-phenyl-3-pyrazolamine;1-Phenyl-3-aminopyrazole;(1-phenylpyrazol-3-yl)amine;1-phenyl-1H-pyrazole-3-amine;1-Phenyl-1H-pyrazol-3-ylamine;1H-Pyrazol-3-amine, 1-phenyl-
CBNumber
CB31496324
Molecular Formula
C9H9N3
Formula Weight
159.19
MOL File
1128-56-9.mol
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1-Phenyl-3-aminopyrazole Property

Melting point:
101 °C
Boiling point:
167-170 °C(Press: 8 Torr)
Density 
1.20±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
pka
3.66±0.10(Predicted)
Appearance
Light yellow to brown Solid
InChI
InChI=1S/C9H9N3/c10-9-6-7-12(11-9)8-4-2-1-3-5-8/h1-7H,(H2,10,11)
InChIKey
BQQFSUKXGGGGLV-UHFFFAOYSA-N
SMILES
N1(C2=CC=CC=C2)C=CC(N)=N1
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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

H319Causes serious eye irritation

Precautionary statements

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
P321170
Product name
1-Phenyl-1H-pyrazol-3-amine
Packaging
25mg
Price
$45
Updated
2021/12/16
TRC
Product number
P321170
Product name
1-Phenyl-1H-pyrazol-3-amine
Packaging
250mg
Price
$240
Updated
2021/12/16
Matrix Scientific
Product number
077427
Product name
1-Phenyl-1H-pyrazol-3-amine
Packaging
500mg
Price
$278
Updated
2021/12/16
SynQuest Laboratories
Product number
3H30-1-PK
Product name
1-Phenyl-1H-pyrazol-3-amine
Purity
95%
Packaging
250mg
Price
$320
Updated
2021/12/16
Apolloscientific
Product number
OR938962
Product name
1-Phenyl-1H-pyrazol-3-amine
Purity
95%
Packaging
500mg
Price
$360
Updated
2021/12/16
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1-Phenyl-3-aminopyrazole Chemical Properties,Usage,Production

Synthesis

3314-35-0

1128-56-9

General procedure for the synthesis of 1-phenyl-3-aminopyrazole from 1-phenyl-4,5-dihydro-1H-pyrazol-3-amine: to a solution of 1-phenyl-4,5-dihydro-1H-pyrazol-3-amine (7.4 g, 46 mmol) in dioxane (200 mL) was added 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (11.54 g, 50 mmol ). After addition, the reaction mixture was stirred at room temperature for 1 h. The resulting dark-colored solution was then filtered through a pad of diatomaceous earth. The filtrate was acidified with 1N HCl aqueous solution (100 mL) and extracted with dichloromethane (50 mL). The organic layer was extracted again with 1N HCl aqueous solution (50 mL). The combined aqueous layers were washed with dichloromethane (2 x 50 mL) and then adjusted to pH 12 with NaOH, followed by extraction with dichloromethane (3 x 100 mL). The combined dichloromethane extracts were washed with saturated aqueous NaCl (100 mL), dried (MgSO4), and concentrated under reduced pressure to give 1-phenyl-3-aminopyrazole as a light orange solid (3.0 g, 41% yield).LC/MS (Method A): retention time = 1.43 min, (M+H)+ =160.

References

[1] Bioorganic and medicinal chemistry, 2002, vol. 10, # 3, p. 817 - 827
[2] Patent: US4149005, 1979, A
[3] Farmaco, Edizione Scientifica, 1985, vol. 40, # 11, p. 808 - 817
[4] Patent: US2006/154956, 2006, A1. Location in patent: Page/Page column 9
[5] Zhurnal Obshchei Khimii, 1959, vol. 29, p. 658,659; engl. Ausg. S. 650, 651

1-Phenyl-3-aminopyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-Phenyl-3-aminopyrazole manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
1-Phenyl-3-aminopyrazole 1128-56-9
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000MT
Release date
2024-07-17
Shaanxi Dideu Medichem Co. Ltd
Product
1-Phenyl-3-aminopyrazole 1128-56-9
Price
US $0.10/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
10
Release date
2024-07-14
Career Henan Chemical Co
Product
1-Phenyl-1H-pyrazol-3-amine 1128-56-9
Price
US $8.80/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
100kg
Release date
2019-07-04

1128-56-9, 1-Phenyl-3-aminopyrazoleRelated Search:

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  • 1128-56-9
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