Pharmaceutical Materials

4-Iodopyrazole, with the CAS number 3469-69-0, is a versatile chemical compound primarily recognized as an important intermediate in the synthesis of various bioactive compounds. It has a molecular formula of C3H3IN2 and a molecular weight of 193.97 g/mol. This compound exhibits specific pharmacological activities and finds applications in the pharmaceutical industry. It appears as an off-white crystalline powder and is stable under standard conditions. 4-Iodopyrazole is also used in indium-mediated heterobiaryl synthesis and undergoes iodination reactions to produce 3,4-diiodopyrazole and 3,4,5-triiodopyrazole.

Property	Value
CAS Number	3469-69-0
Chemical Name	4-Iodopyrazole
Molecular Formula	C3H3IN2
Molecular Weight	193.97 g/mol
Physical Properties	–
– Appearance	Off-white crystalline powder
– Melting Point	108-110°C
– Boiling Point	291.9±13.0°C at 760 mmHg
– Density	2.335±0.06 g/cm³ (predicted)
Chemical Properties	–
– Solubility	Soluble in water and methanol
– pKa	12.99±0.50 (predicted)
– Stability	Stable under standard conditions, avoid light
– Storage Condition	Room temperature, in a dry and dark place, sealed

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