The chemical compound "(+/-)-8-(4-fluoro-phenyl)-(4aR)-1,2,3,4,4a,5,6,7-octahydro-1t,4t-etheno-naphthalene-2t,3t,5t,6t-tetracarboxylic acid-2,3;5,6-dianhydride" is a complex organic molecule with a unique structure. It features a naphthalene core, which is a type of polycyclic aromatic hydrocarbon, with an etheno bridge connecting two of its carbon atoms. The molecule also contains a fluorophenyl group attached to the 8th position, which introduces a fluorine atom into the structure. The term "octahydro" indicates that there are eight hydrogen atoms added across the molecule, contributing to its saturation. The compound is a tetracarboxylic acid, meaning it has four carboxyl groups, and the "dianhydride" part of the name suggests that two of these carboxyl groups are connected through an anhydride bridge, which is a dehydration product of two carboxylic acids. This specific arrangement of functional groups and atoms gives the compound its distinct chemical properties and potential applications in various fields, such as pharmaceuticals or materials science.
The CAS Registry Mumber 435-38-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,3 and 5 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 435-38: (5*4)+(4*3)+(3*5)+(2*3)+(1*8)=61 61 % 10 = 1 So 435-38-1 is a valid CAS Registry Number.
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