(organic chemistry) A common ending for carboxylic acids.
Acetic acid is CH3COOH.
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Cooh Sentence Examples
MANDELIC ACID (Phenylglycollic Acid), C 8 H 8 O 3 or C 6 H 5 CH(OH) COOH, an isomer of the cresotinic and the oxymethylbenzoic acids.
In the presence of a dehydrating agent (such as acetic anhydride), it combines with aldehydes to form compounds of the type R CH: C(COOH) 2, or their decomposition products (formed by loss of C02) R CH: CH COOH.
The scheme of reactions is shown thus: R'I CH2(Coor)2->CHNa(Coor)2->CHR'(Coor)2 .I,NaOH CO 2 -{- CH 2 R' 000H [[Echr'(Cooh)2 R"I [Chr']](Cooh) 2 NaOH -CNaR'(Coor)2 - CR'R"(Coor)2 I NaOH CO 2 + CHR'R"
The half nitrile of malonic acid is cyanacetic acid, CN CH 2 COOH, which, in the form of its ester, may be obtained by the action of a solution of potassium cyanide on monochloracetic acid.
OH COOH, may be prepared; and the two other known oxybenzoic acids (ortho- and para-) may be converted into benzoic acid.