Anisaldehyde

Say itan-ih-SAL-dih-hyde

Sweet hawthorn blossom and anise with a powdery, faintly vanilla floral tone.

What it is: A molecule made in a lab.
When you smell it: Heart: the first hours.
What perfumers do with it: Hawthorn, mimosa and lilac notes; bridges florals and gourmands, and pairs with heliotropin for powder.
Worth knowing: Its French name, aubépine, means hawthorn: the spring blossom it imitates.
Known in: Après l'Ondée (Guerlain, 1906)
Rules: Limited. IFRA limits since 51st Amendment (2023)
Also called: Aubépine; para-anisaldehyde; 4-methoxybenzaldehyde

Not on the label of any of the 232 perfumes read so far.

Sources