(2Z)-3-methyl-2-penten-4-ynal is an organic compound characterized by its unique structure, which includes a 3-methyl group, a 2-penten-4-ynal chain, and a Z-configuration indicating the geometric arrangement of the double bond. This aldehyde is known for its distinct chemical properties, such as reactivity with nucleophiles due to the presence of the carbonyl group, and its potential applications in the synthesis of various organic compounds. The compound's molecular formula is C6H6O, reflecting its composition of six carbon atoms, six hydrogen atoms, and one oxygen atom. Its structure and properties make it a valuable intermediate in organic synthesis, particularly in the preparation of complex molecules and pharmaceuticals.
The CAS Registry Mumber 1656-78-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 6 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1656-78: (6*1)+(5*6)+(4*5)+(3*6)+(2*7)+(1*8)=96 96 % 10 = 6 So 1656-78-6 is a valid CAS Registry Number.