2,4-dimethyl-hexa-1,4-diene is an organic compound with the molecular formula C8H14. It is a conjugated diene, which means it has two carbon-carbon double bonds separated by a single bond, in this case, located at the 1st and 4th carbon atoms. The molecule also contains two methyl groups (CH3) attached to the 2nd and 4th carbon atoms, respectively. 2,4-dimethyl-hexa-1,4-diene is a colorless liquid with a pungent odor and is insoluble in water but soluble in organic solvents. It is used as an intermediate in the synthesis of various chemicals, such as polymers and pharmaceuticals, and is also a precursor in the production of fragrances and flavorings. Due to its reactivity, it is important to handle 2,4-dimethyl-hexa-1,4-diene with care, as it can undergo various chemical reactions, including Diels-Alder reactions, which are useful for constructing complex molecular structures.
The CAS Registry Mumber 1116-91-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,1 and 6 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1116-91: (6*1)+(5*1)+(4*1)+(3*6)+(2*9)+(1*1)=52 52 % 10 = 2 So 1116-91-2 is a valid CAS Registry Number.