Resorcylic acid, resorcinolic acid, or carboxyresorcinol are names for a type of

dihydroxybenzoic acid Dihydroxybenzoic acids (DHBA) are a type of phenolic acids. There are six main compounds, having all the same molecular formula C7H6O4. Those are: * 2,3-Dihydroxybenzoic acid (2-Pyrocatechuic acid or hypogallic acid) * 2,4-Dihydroxybenzoic acid ...

structurally related to

resorcinol Resorcinol (or resorcin) is a phenolic compound. It is an organic compound with the formula C6H4(OH)2. It is one of three isomeric benzenediols, the 1,3-isomer (or ''meta- (chemistry), meta''-isomer). Resorcinol crystallizes from benzene as co ...

. They may refer to: * 3,5-Dihydroxybenzoic acid (α-resorcylic acid or 5-carboxyresorcinol) *

2,4-Dihydroxybenzoic acid 2,4-Dihydroxybenzoic acid (β-resorcylic acid) is a dihydroxybenzoic acid. As a ''resorcylic acid'', it is one of the three isomeric crystalline acids that are both carboxyl derivatives of resorcinol and dihydroxy derivatives of benzoic acid. Syn ...

(β-resorcylic acid or 4-carboxyresorcinol) *

2,6-Dihydroxybenzoic acid 2,6-Dihydroxybenzoic acid (γ-resorcylic acid) is a dihydroxybenzoic acid Dihydroxybenzoic acids (DHBA) are a type of phenolic acids. There are six main compounds, having all the same molecular formula C7H6O4. Those are: * 2,3-Dihydroxybenzoic ...

(γ-resorcylic acid or 2-carboxyresorcinol) In each case, the

hydroxyl group In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy ...

s are

meta Meta most commonly refers to: * Meta (prefix), a common affix and word in English ( in Greek) * Meta Platforms, an American multinational technology conglomerate (formerly ''Facebook, Inc.'') Meta or META may also refer to: Businesses * Meta (ac ...

to each other and thus are ''m''-dihydroxybenzoic acids.

Carboxylate In organic chemistry, a carboxylate is the conjugate base of a carboxylic acid, (or ). It is an anion, an ion with negative charge. Carboxylate salts are salts that have the general formula , where M is a metal and ''n'' is 1, 2,... ...

s and

ester In chemistry, an ester is a compound derived from an acid (either organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl group () of that acid is replaced by an organyl group (R). These compounds contain a distin ...

s of these compounds are called resorcylates or resorcinolates.

See also