7-Chlor-3-nitro-2-amino-fluoren, also known as 2-amino-3-nitro-7-chlorofluorene, is a chemical compound with the molecular formula C13H8ClN3O2. It is a derivative of fluorene, a polycyclic aromatic hydrocarbon, and features a chlorine atom at the 7th position, a nitro group at the 3rd position, and an amino group at the 2nd position. 7-Chlor-3-nitro-2-amino-fluoren is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and reactivity. It is important to handle this chemical with care, as it may have potential health and environmental impacts, and is typically used in controlled laboratory settings by trained professionals.
The CAS Registry Mumber 787-02-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 7 respectively; the second part has 2 digits, 0 and 2 respectively. Calculate Digit Verification of CAS Registry Number 787-02: (5*7)+(4*8)+(3*7)+(2*0)+(1*2)=90 90 % 10 = 0 So 787-02-0 is a valid CAS Registry Number.