2-Chlor-cis-<2-nitro-phenyl>-zimtsaeure, also known as 2-chloro-cis-2-nitrophenyl cinnamate, is a chemical compound with the molecular formula C15H11ClN2O4. It is a derivative of cinnamic acid, featuring a chloro group at the 2-position and a 2-nitrophenyl group at the cis-2 position. 2-Chlor-cis-<2-nitro-phenyl>-zimtsaeure is characterized by its yellow crystalline appearance and is soluble in organic solvents. It is synthesized through a reaction between 2-chloro-cinnamic acid and 2-nitrophenol, and is used in various applications, including the synthesis of pharmaceuticals and as a chemical intermediate in the production of dyes and pigments. Due to its potential reactivity and the presence of functional groups, it is important to handle 2-Chlor-cis-<2-nitro-phenyl>-zimtsaeure with care, following appropriate safety protocols.
The CAS Registry Mumber 966-74-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,6 and 6 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 966-74: (5*9)+(4*6)+(3*6)+(2*7)+(1*4)=105 105 % 10 = 5 So 966-74-5 is a valid CAS Registry Number.