Cynor Laboratories

3-Nitrobenzotrifluoride, with CAS number 98-46-4, is a yellow liquid with a molecular formula of C7H4F3NO2 and a molecular weight of 191.11 g/mol. It is also known as 1,3-Nitrobenzotrifluoride or 1-trifluoromethyl-3-nitrobenzene. The compound has a boiling point of around 203 °C and a flash point of approximately 103 °C. This substance is used in the chemical industry, particularly in the development of pharmaceuticals and pesticides. 

4-Bromo-9-fluorenone, also known as 4-Bromo-9H-fluoren-9-one, is a chemical compound with the CAS number 4269-17-4 and molecular formula C₁₃H₇BrO. It is a white to yellow to green powder or crystal used in the production of organic optoelectronic materials for applications such as OLEDs and organic photovoltaic (OPV) cells due to its charge transfer properties and role in improving device efficiency. 

Pyrazolones are a class of organic compounds featuring a pyrazole ring with an additional carbonyl group. They are known for their diverse applications, particularly in pharmaceuticals and dyes. Historically, pyrazolones like antipyrine have been used as analgesics and antipyretics, and some derivatives still find use in veterinary medicine. However, certain pyrazolones have been associated with side effects, leading to restrictions on their human use.