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374822
4-Brompyrazol
99%
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About This Item
Empirische Formel (Hill-System):
C3H3BrN2
CAS-Nummer:
Molekulargewicht:
146.97
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22
Empfohlene Produkte
Qualitätsniveau
Assay
99%
Form
solid
bp
250-260 °C (lit.)
mp (Schmelzpunkt)
93-96 °C (lit.)
Funktionelle Gruppe
bromo
SMILES String
Brc1cn[nH]c1
InChI
1S/C3H3BrN2/c4-3-1-5-6-2-3/h1-2H,(H,5,6)
InChIKey
WVGCPEDBFHEHEZ-UHFFFAOYSA-N
Verwandte Kategorien
Allgemeine Beschreibung
4-Bromopyrazole is a heteroaryl halide and its cyanation in the presence of palladium catalysts has been reported.
4-Bromopyrazole is a pyrazole derivative. It is reported to react with titanium tetrachloride to afford binary adducts. Mutagenicity of 4-bromopyrazole has been tested using the L-arabinose forward mutation assay of Salmonella typhimurium. It is reported to inhibit the oxidative phosphorylation, the ATP-32P exchange reaction, and energy dependent and independent calcium uptake.
Anwendung
Starting material employed in a synthesis of 1,4′-bipyrazoles.
4-Bromopyrazole may be used in the preparation of solid hexacoordinate complexes by reaction with dimethyl- and divinyl-tindichloride.
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Zielorgane
Respiratory system
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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E Alejandre-Durán et al.
Environmental mutagenesis, 8(4), 611-619 (1986-01-01)
The mutagenicity of pyrazole and seven pyrazole derivatives (4-nitropyrazole, 4-bromopyrazole, 1-methyl-4-nitropyrazole, 3,5-dimethyl-4-nitropyrazole, 1-methyl-4-bromopyrazole, 4,4'-dinitro-1, 1'-methylene-dipyrazole and 4,4'-dibromo-1,1'-methylene-dipyrazole) has been investigated with the L-arabinose forward mutation assay of Salmonella typhimurium. Two nitroimidazoles (1-methyl-5-nitroimidazole and metronidazole) were included as reference drugs. The
Inhibition of the oxidation of the urinary bladder carcinogen N-butyl-N-(4-hydroxybutyl)nitrosamine by pyrazole and 4-substituted pyrazoles.
C C Irving et al.
Biochemical pharmacology, 37(8), 1642-1644 (1988-04-15)
Tetrahedron, 63, 748-748 (2007)
Dichlorodialkyltin complexes with 4-bromopyrazole. The crystal structure of bis(4-bromopyrazole- N2)dichlorodimethyltin(IV).
Casellato U, et al.
Journal of Organometallic Chemistry, 486(1-2), 105-107 (1995)
Ilia A. Guzei et al.
Inorganic chemistry, 36(20), 4415-4420 (2001-10-24)
Treatment of titanium tetrachloride with 3,5-di-tert-butylpyrazole affords the complexes [3,5-(C(CH(3))(3))(2)C(3)H(3)N(2)](2)[TiCl(6)] and (3,5-(C(CH(3))(3))(2)C(3)HN(2))(2)TiCl(2) in 37 and 42% yields, respectively. An analogous reaction with 3,5-dimethylpyrazole, 3-methylpyrazole, 4-bromopyrazole, and 4-iodopyrazole leads to the formation of corresponding TiCl(4)L(2) binary adducts in 30-86% yields. Crystal
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 374822-10G | 4061832249032 |
| 374822-1G | 4061831834802 |
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