Pyrazole is the organic compound with the formula C3H3N2H. It is a heterocycle characterized by a 5-membered ring of three carbon atoms and two adjacent nitrogen centres. Pyrazoles are also the class of compounds that have the ring C3N2 with adjacent nitrogen centres. A notable drug containing a pyrazole ring is Celebrex.
CAS: 288-13-1
Molecular Formula:C3H4N2
Formula Weight: 68.08
Melting point:66-70 ºC
Boiling point:187ºC at 760 mmHg
Flash Point:87.5ºC
Density:1.116 g/cm3
Chemical property:White Crystal.Soluble in water.
Use:an important intermediate of medicine and dyestuff.
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