Cava sold for distillation into brandy (8)

I believe the answer is:

calvados

I'm a little stuck... Click here to teach me more about this clue!

'brandy' is the definition.
(I know that Calvados is a type of brandy)

'cava sold for distillation' is the wordplay.
'cava sold' can be anagrammed to 'CALVADOS'.
However, I am not clear how this is indicated.

'into' is the link.

Can you help me to learn more?

(Other definitions for calvados that I've seen before include "Type of apple brandy" , "drink" , "Brandy distilled from apple cider" , "Vocal ads (anag) - apple brandy" , "area near Caen" .)

I've seen this clue in The Irish Times.

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