Hex-3-en-5-yn-2-one, also known as 3-hexen-5-yn-2-one, is a chemical compound with the molecular formula C6H8O. It is an organic molecule that features a hexen (hexene) backbone with a triple bond at the 5th carbon and a carbonyl group at the 2nd carbon. hex-3-en-5-yn-2-one is known for its distinct aroma and is often used in the flavor and fragrance industry to impart green, fruity, and herbaceous notes. It is also found in various natural products, such as fruits and vegetables, contributing to their characteristic smells. Due to its unique structure, hex-3-en-5-yn-2-one is a valuable compound in the synthesis of other organic molecules and has potential applications in the pharmaceutical and chemical industries.
The CAS Registry Mumber 2957-07-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively. Calculate Digit Verification of CAS Registry Number 2957-07: (6*2)+(5*9)+(4*5)+(3*7)+(2*0)+(1*7)=105 105 % 10 = 5 So 2957-07-5 is a valid CAS Registry Number.