2,4-Dinitro-fluoren-9-ol is a chemical compound with the molecular formula C13H6N2O5. It is a yellow crystalline solid that is derived from the parent compound fluoren-9-ol, a polycyclic aromatic hydrocarbon. 2.4-Dinitro-fluoren-9-ol is characterized by the presence of two nitro groups (-NO2) at the 2 and 4 positions of the fluorene ring, which significantly alter its chemical properties compared to the parent compound. 2,4-Dinitro-fluoren-9-ol is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals, such as herbicides. Due to its reactivity and potential applications, it is important to handle 2.4-Dinitro-fluoren-9-ol with care, following proper safety protocols.
The CAS Registry Mumber 1858-96-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 8 respectively; the second part has 2 digits, 9 and 6 respectively. Calculate Digit Verification of CAS Registry Number 1858-96: (6*1)+(5*8)+(4*5)+(3*8)+(2*9)+(1*6)=114 114 % 10 = 4 So 1858-96-4 is a valid CAS Registry Number.