Cinnoline, 4-chloro-8-nitro-, is a chemical compound with the molecular formula C8H4ClN3O2. It is a derivative of the cinnoline family, which are heterocyclic compounds containing a pyridine ring fused to a pyrrole ring. This specific compound features a chlorine atom at the 4-position and a nitro group at the 8-position, which significantly influences its chemical properties and reactivity. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and potential for further functionalization. The compound is typically synthesized through various chemical reactions, such as the condensation of o-aminobenzaldehyde with ethyl acetoacetate followed by chlorination and nitration steps. It is important to handle Cinnoline, 4-chloro-8-nitro- with care due to its potential toxicity and reactivity, and it is often used in research and development settings to explore new chemical entities with potential applications in various industries.
The CAS Registry Mumber 2096-41-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,9 and 6 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 2096-41: (6*2)+(5*0)+(4*9)+(3*6)+(2*4)+(1*1)=75 75 % 10 = 5 So 2096-41-5 is a valid CAS Registry Number.