CAS Registry Number

CAS 4652-27-1 — 4-Methoxy-3-buten-2-one

4-Methoxy-3-buten-2-one is a naturally occurring aromatic compound with a sweet, fruity odor, commonly used in flavors and fragrances, particularly in food and beverage applications, as well as in perfumery. It is also found in some plant essential oils and contributes to the characteristic scent of certain fruits like pineapple and passion fruit. This chemical has a CAS number of 4652-27-1 and is classified as non-hazardous under standard safety regulations, requiring no signal word. It appears as a pale yellow to colorless liquid with a boiling point of approximately 153–155°C. Molekula supplies 4-Methoxy-3-buten-2-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.