2-styryl-1-oxa-4-aza-spiro[4.4]nonan-3-one is a complex organic compound with a unique molecular structure. It is a spiro compound, which means it consists of two rings that are fused together in a spiro arrangement. The molecule features a 1-oxa-4-aza-spiro[4.4]nonan-3-one core, which is a nine-membered ring with one oxygen atom and one nitrogen atom. Additionally, it has a styryl group attached to the 2-position, which is a phenyl group (a benzene ring) with a vinyl group (a carbon-carbon double bond). 2-styryl-1-oxa-4-aza-spiro[4.4]nonan-3-one is known for its potential applications in various fields, such as pharmaceuticals and materials science, due to its interesting chemical properties and the ability to form stable structures.
The CAS Registry Mumber 889-74-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 9 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 889-74: (5*8)+(4*8)+(3*9)+(2*7)+(1*4)=117 117 % 10 = 7 So 889-74-7 is a valid CAS Registry Number.