The chemical "9-benzoyloxy-8-(4-nitro-phenylazo)-1,3,4,14a-tetrahydro-2H-anthra[1,9-de]pyrido[2,1-b][1,3]oxazine" is a complex organic compound with a molecular formula of C28H21N5O4. It features a tetrahydro-anthra[1,9-de]pyrido[2,1-b][1,3]oxazine core structure, which is a type of fused-ring system. The compound is characterized by a benzoyloxy group at the 9-position, a nitro-phenylazo group at the 8-position, and a 2H-anthra[1,9-de]pyrido[2,1-b][1,3]oxazine ring system. This molecule is likely to be a synthetic dye or a compound used in advanced chemical research due to its azo and nitro functional groups, which are common in colorants and intermediates in organic synthesis. The specific arrangement of these functional groups gives the compound its unique properties and potential applications in various fields, such as pharmaceuticals or materials science.
The CAS Registry Mumber 3777-53-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,7 and 7 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 3777-53: (6*3)+(5*7)+(4*7)+(3*7)+(2*5)+(1*3)=115 115 % 10 = 5 So 3777-53-5 is a valid CAS Registry Number.