How many letters does the top answer for “of, pertaining to, or designating, an acid now called mucic acid; saccholic.” have?

The most common answer is saccholactic (12 letters).

Crossword clue: of, pertaining to, or designating, an acid now called mucic acid; saccholic.

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

saccholactic 12 letters web-def

Of, pertaining to, or designating, an acid now called mucic acid; saccholic. [Obs.]