Home Categories Pharmaceutical intermediates 4-Bromo-3-methyl-1H-pyrazole
A1470312

4-Bromo-3-methyl-1H-pyrazole , ≥98.0%(GC) , 13808-64-5

CAS NO.:13808-64-5

Empirical Formula: C4H5BrN2

Molecular Weight: 161

MDL number: MFCD00005241

EINECS: 237-456-7

Pack Size Price Stock Quantity
1G RMB30.40 In Stock
5G RMB68.80 In Stock
25G RMB212.80 In Stock
100G RMB576.80 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 77-79°C
Boiling point: 259.9±20.0 °C(Predicted)
Density  1.5638
refractive index  1.5182 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  methanol: soluble0.25g/5mL, clear, colorless to yellow
form  Powder
pka 13.27±0.50(Predicted)
color  White to cream
CAS DataBase Reference 13808-64-5(CAS DataBase Reference)

Description and Uses

4-Bromo-3-methylpyrazole is an intermdiate used to prepare substituted piperidines as potent, selective, CNS-penetrant α4β2 nicotinic acetylcholine receptor potentiators. It is also used to prepare small molecular B2 receptor antagonists.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  37/39-26
WGK Germany  3
HazardClass  IRRITANT
HS Code  29349990

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