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4-Bromo-1H-pyrazole, ≥98%, Thermo Scientific Chemicals

$93.23 - $658.59

Chemical Identifiers

CAS 2075-45-8
Molecular Formula C3H3BrN2
Molecular Weight (g/mol) 146.98
MDL Number MFCD00075602
InChI Key WVGCPEDBFHEHEZ-UHFFFAOYSA-N
Synonym 4-bromopyrazole, 1h-pyrazole, 4-bromo, 4-brompyrazole, 4-bromo-pyrazole, pyrazole, 4-bromo, 4-bromo pyrazole, byz, zlchem 126, 1h-pyrazole,4-bromo, pubchem11041
PubChem CID 16375
IUPAC Name 4-bromo-1H-pyrazole
SMILES BrC1=CNN=C1
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAH6467314
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Thermo Scientific Chemicals
H6467314
25 g
Each for $93.23
 
AAH6467336
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Thermo Scientific Chemicals
H6467336
500 g
Each for $658.59
 
Description

Description

4-Bromopyrazole may be used in the preparation of 4-bromo-1-(2-chloroethyl)-1H-pyrazole. It may be used as starting material in the synthesis of 1,4?-bipyrazoles. Also used in the synthesis of various pharmaceutical and biologically active compounds, including inhibitors. It is also shown to be one of the 4-substituted pyrazoles, being able to act as inhibitor of liver alcohol dehydrogenase.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
4-Bromopyrazole may be used in the preparation of 4-bromo-1-(2-chloroethyl)-1H-pyrazole. It may be used as starting material in the synthesis of 1,4′-bipyrazoles. Also used in the synthesis of various pharmaceutical and biologically active compounds, including inhibitors. It is also shown to be one of the 4-substituted pyrazoles, being able to act as inhibitor of liver alcohol dehydrogenase.

Solubility
Slightly soluble in water.

Notes
Store in cool, dry place in tightly closed container. With adequate ventilation. Store away from oxidizing agent.
Specifications

Chemical Identifiers

2075-45-8
146.98
WVGCPEDBFHEHEZ-UHFFFAOYSA-N
16375
BrC1=CNN=C1
C3H3BrN2
MFCD00075602
4-bromopyrazole, 1h-pyrazole, 4-bromo, 4-brompyrazole, 4-bromo-pyrazole, pyrazole, 4-bromo, 4-bromo pyrazole, byz, zlchem 126, 1h-pyrazole,4-bromo, pubchem11041
4-bromo-1H-pyrazole

Specifications

2075-45-8
250°C to 260°C (literature)
MFCD00075602
106510
Slightly soluble in water.
BrC1=CNN=C1
146.98
146.97
Solid
93°C to 96°C (literature)
C3H3BrN2
25 g
4-bromopyrazole, 1h-pyrazole, 4-bromo, 4-brompyrazole, 4-bromo-pyrazole, pyrazole, 4-bromo, 4-bromo pyrazole, byz, zlchem 126, 1h-pyrazole,4-bromo, pubchem11041
WVGCPEDBFHEHEZ-UHFFFAOYSA-N
4-bromo-1H-pyrazole
16375
≥98%
4-Bromo-1H-pyrazole
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Safety and Handling

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

H315-H319-H335

RTECSNumber : UQ6200000

TSCA : No

Recommended Storage : Ambient temperatures

SDS
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RUO – Research Use Only