Lot numbers can be found on the outside label of a product:
Please log in for operation!
*For research and further manufacturing use only, not for direct human use.
Structure of 400752-98-9
| Size |
|
Price | Quantity | |||
|---|---|---|---|---|---|---|
|
* Please select Quantity before adding items. |
||||||
4-Chloro-3-nitro-1H-pyrazole features a fused heterocyclic core with complementary electron-withdrawing groups: a chlorine atom at C4 and a nitro group at C3. This arrangement imparts high reactivity in cross-coupling and nucleophilic substitution processes, enabling efficient integration into complex molecular architectures. The compound exhibits bench-stable handling under standard conditions.
4-Chloro-3-nitro-1H-pyrazole serves as a versatile building block in medicinal chemistry, enabling efficient access to functionalized heterocycles via palladium-catalyzed cross-coupling and nucleophilic substitution reactions. Its orthogonal reactivity—combining a latent electrophilic chlorine with a strongly electron-withdrawing nitro group—facilitates selective transformations under mild conditions. The compound exhibits excellent bench stability and is compatible with common purification methods, making it well-suited for iterative synthesis campaigns and API intermediate development.
|
GHS Pictogram :
|
GHS No : GHS06
|
|
Signal Word : Danger
|
UN#: 2811
|
|
Class : 6.1
|
Packing Group : Ⅲ
|
|
Hazard Statements : H301+H311-H330
|
|
|
Precautionary Statements : P260-P264-P270-P271-P280-P284-P302+P352-P304+P340-P330-P361+P364-P405-P501
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Upload Pictures
|
|
Lot numbers can be found on the outside label of a product: