Bicyclo[2.2.2]octane-1-carboxylic acid, 4-ethyl-, also known as 4-ethylbicyclo[2.2.2]octane-1-carboxylic acid, is a chemical compound with the molecular formula C11H18O2. It is a white crystalline solid that belongs to the class of bicyclic carboxylic acids. Bicyclo[2.2.2]octane-1-carboxylic acid, 4-ethyl- is characterized by its unique bicyclic structure, with two carbon atoms forming a bridge between two six-membered rings, and an ethyl group attached to the fourth carbon atom of the bicyclic core. The carboxylic acid functional group is present at the first carbon atom of the bicyclic structure, which imparts acidic properties to the molecule. Bicyclo[2.2.2]octane-1-carboxylic acid, 4-ethyl- is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals, due to its unique structural features and reactivity.
The CAS Registry Mumber 707-21-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,0 and 7 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 707-21: (5*7)+(4*0)+(3*7)+(2*2)+(1*1)=61 61 % 10 = 1 So 707-21-1 is a valid CAS Registry Number.