You cannot squeeze a fragrance note out of an apricot. No apricot essential oil is sold anywhere, because the fruit is mostly water and light, short-lived esters that fall apart the moment you try to extract them.
So perfumers build it from scratch. The apricot accord is assembled from lactones, mainly gamma-decalactone and gamma-undecalactone, with a little benzaldehyde for the kernel and traces of linalool and beta-ionone. Gamma-undecalactone carries the creamy, ripe stone-fruit smell that anchors the whole thing. It also has a confusing old trade name, aldehyde C-14, which manages to be wrong: it is a lactone, not an aldehyde. The label is a hundred-year-old habit the trade never bothered to correct. None of these materials smells much like apricot alone. Tuned to the right ratio, together they land on it.
Apricot and peach share those same lactones, which is why noses mix them up. Peach is the juicy, velvety one. Apricot sits drier and a touch more tart, with a faint bitter-almond edge from the benzaldehyde that peach does not have. That kernel note is the tell. Once you learn to catch it, you stop confusing the two, and you start noticing apricot in scents that never list it.
The apricot you smell is more honest than it sounds. It is not a watered-down real fruit pretending to be fresh. It is a small, deliberate accord, a few molecules tuned to read as apricot the second they warm on skin. That is exactly why it holds up in a fragrance when a real apricot would fade in a minute.
Solana, our take on Byredo Sundazed, opens on that apricot-and-citrus glow before coconut and honey take over, UK-made at 35% Extrait. For apricot folded into coffee and hazelnut instead, Mocha Noir starts in the same place. More in the Byredo collection.