Aromachemicals

Green · Woody 4-Allylphenol CAS 501-92-8 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 4-Allylphenol? 4-Allylphenol is a synthetic fragrance ingredient used in niche perfumery. It’s not commonly encountered in everyday products but appears in some avant-garde fragrances. This molecule matters because it offers perfumers a unique phenolic…

Woody · Floral 4-Acetoxy-3-pentyltetrahydropyran CAS 18871-14-2 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 4-Acetoxy-3-pentyltetrahydropyran? 4-Acetoxy-3-pentyltetrahydropyran is a synthetic fragrance ingredient used in modern perfumery. It’s found in niche and designer fragrances where unique woody-floral effects are desired. This molecule matters because it helps create sophisticated scent profiles…

Citrus · Green 4,_7-_Decadienal, (4Z,_7Z)_- CAS 22644-09-03 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is 4,_7-_Decadienal, (4Z,_7Z)_-? 4,7-Decadienal is a synthetic fragrance ingredient that creates fresh, marine-like scents. It’s often used in aquatic and ozonic perfumes to mimic the crispness of sea air. This molecule matters because it…

Green · Citrus 4,_7-_Decadienal CAS 934534-30-2 Origin synthetic Note Top-middle IFRA Generally safe Data as of: Apr 2026 What Is 4,_7-_Decadienal? 4,7-Decadienal is a synthetic fragrance ingredient used in modern perfumery to add fresh, green, and marine nuances. You might encounter it in aquatic and citrus-forward fragrances. This aldehyde helps create crisp, contemporary scents that…

Woody · Musky 4,8-Cyclododecadien-1-one CAS 15229-79-5 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 4,8-Cyclododecadien-1-one? 4,8-Cyclododecadien-1-one is a synthetic fragrance ingredient used in perfumery to create woody and musky accords. It’s found in niche and designer fragrances aiming for sophisticated base notes. This molecule matters because it helps…

Green · Citrus 4,8,11-Dodecatrienal CAS 1000399-21-2 Origin synthetic Note Top to middle IFRA Use with awareness Data as of: Apr 2026 What Is 4,8,11-Dodecatrienal? 4,8,11-Dodecatrienal is a synthetic fragrance ingredient used to add marine, ozone-like freshness to perfumes. It’s found in aquatic-themed fragrances and air fresheners. This aldehyde contributes a clean, modern edge to compositions,…

Balsamic · Woody 4,5-Dihydro-3(2H)thiophenone CAS 1003-04-09 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 4,5-Dihydro-3(2H)thiophenone? 4,5-Dihydro-3(2H)thiophenone is a synthetic fragrance ingredient occasionally used in specialty perfumery. It’s found in certain niche fragrances where unique sulfurous notes are desired. This compound offers perfumers a way to add complex, savory…

Citrus · Floral 4,5,6,7,8,9,10,11,12,13-Decahydrocyclododecaoxazole CAS 38303-23-0 Origin synthetic Note Unknown IFRA Use with awareness Data as of: Apr 2026 What Is 4,5,6,7,8,9,10,11,12,13-Decahydrocyclododecaoxazole? 4,5,6,7,8,9,10,11,12,13-Decahydrocyclododecaoxazole is a synthetic fragrance compound primarily used in industrial and specialty fragrance applications. Consumers may encounter it in functional products like air fresheners or cleaning agents. This ingredient matters because it represents…

Woody · Balsamic 4,4a,6,7,8,8a-Hexahydro-1,4-methanonaphthalen-5(1H)-one CAS 51519-65-4 Origin synthetic Note Middle to base IFRA Use with awareness Data as of: Apr 2026 What Is 4,4a,6,7,8,8a-Hexahydro-1,4-methanonaphthalen-5(1H)-one? This synthetic fragrance ingredient is a complex bicyclic ketone used in modern perfumery to create woody-ambery accords. It’s found in niche and designer fragrances seeking a sophisticated, slightly camphoraceous character. The…

Woody · Balsamic 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine CAS 18096-62-3 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine? 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine is a synthetic fragrance ingredient used in modern perfumery. It contributes unique woody and amber nuances to compositions. This molecule matters because it helps create long-lasting, complex scent profiles without relying on…