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 145742-34-3
| Size |
|
Price | Quantity | |||
|---|---|---|---|---|---|---|
|
* Please select Quantity before adding items. |
||||||
4,5-Difluoro-2-methoxybenzaldehyde features a fluorinated aromatic core with complementary electron-withdrawing and donor substituents. The para-fluorine pairs with the ortho-methoxy group to modulate reactivity, while the aldehyde functionality enables direct incorporation into coupling reactions. This bench-stable compound serves as a key intermediate in bioactive molecule synthesis.
4,5-Difluoro-2-methoxybenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, offering enhanced metabolic stability through fluorine substitution. Its aldehyde functionality enables direct use in reductive amination, Grignard additions, and Ullmann-type coupling reactions. The ortho-methoxy group provides steric and electronic modulation, while the difluoro substitution pattern enhances lipophilicity and membrane permeability—key attributes for bioactive molecule development. Bench-stable and readily purified by flash chromatography, it functions reliably in multi-step synthetic sequences requiring functional group tolerance and predictable reactivity.
|
GHS Pictogram :
|
GHS No : GHS07
|
|
Signal Word : Warning
|
UN#: N/A
|
|
Class : N/A
|
Packing Group : N/A
|
|
Hazard Statements : H302-H315-H319-H335
|
|
|
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Upload Pictures
|
|
Lot numbers can be found on the outside label of a product: