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213993 Sigma-Aldrich

4-Iodopyrazole

99%

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Properties

Related Categories Building Blocks, C3 to C5, C3-C9, Chemical Synthesis, Halogenated Heterocycles,
Quality Level   200
assay   99%
mp   108-110 °C (lit.)
SMILES string   Ic1cn[nH]c1
InChI   1S/C3H3IN2/c4-3-1-5-6-2-3/h1-2H,(H,5,6)
InChI key   LLNQWPTUJJYTTE-UHFFFAOYSA-N

Description

General description

4-Iodopyrazole is a valuable intermediate for the synthesis of biologically active compounds. It undergoes iodination in the presence of iodine and ammonium hydroxide to yield 3,4-di-iodo- and 3,4,5-tri-iodo-pyrazole.

Application

4-Iodopyrazole was used in an indium-mediated synthesis of heterobiaryls.

Packaging

10 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

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Protocols & Articles
Peer-Reviewed Papers
15

References

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