-COOH

-COOH
carboxyl group car*box"yl group` (k[aum]r*b[o^]ks"[i^]l gr[=oo]p), n. (Chem.) a monovalent organic radical (written {-COOH}, {-CO2H} or {-CO.OH}) whose presence confers acidic properties on the compound containing it; -- called also {carboxylic group}. Monocarboxylic acids (such as acetic acid or butyric acid) have one carboxyl group, dicarboxylic acids (such as oxalic acid or malonic acid) have two, tricarboxylic acids (such as citric acid) have three. It is weakly acidic, the pKa of acetic acid being 4.75. [PJC]

The Collaborative International Dictionary of English. 2000.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • -COOH — carboxylic car box*yl ic (k[aum]r b[o^]ks*[i^]l [i^]k), adj. (Chem.) of or pertaining to the {carboxyl group}; having a carboxyl group (written { COOH}, { CO2H} or { CO.OH}); as, carboxylic acids are weakly acidic. Syn: carboxyl. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • -COOH — carboxylic car box*yl ic (k[aum]r b[o^]ks*[i^]l [i^]k), adj. (Chem.) of or pertaining to the {carboxyl group}; having a carboxyl group (written { COOH}, { CO2H} or { CO.OH}); as, carboxylic acids are weakly acidic. Syn: carboxyl. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • -COOH — carboxyl group car*box yl group (k[aum]r*b[o^]ks [i^]l gr[=oo]p), n. (Chem.) a monovalent organic radical (written { COOH}, { CO2H} or { CO.OH}) whose presence confers acidic properties on the compound containing it; called also {carboxylic… …   The Collaborative International Dictionary of English

  • COOH — Carboxyl Car*box yl (k[aum]r*b[o^]ks [i^]l), n. [Carbon + oxygen + yl.] (Chem.) The complex radical, {CO.OH}, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have… …   The Collaborative International Dictionary of English

  • COOH — carboxy group; carboxy terminus …   Medical dictionary

  • COOH — • carboxy group; • carboxy terminus …   Dictionary of medical acronyms & abbreviations

  • HOOC-COOH — Acide oxalique Acide oxalique Structure de l acide oxalique Général Nom IUPAC Acide éthanedioïque …   Wikipédia en Français

  • CH32CHCH2CHNH2-COOH — Leucine Leu cine (l[=oo] s[=e]n), Leucin Leu cin(l[=u] s[i^]n), n. [Gr. leyko s white.] (Physiol. Chem.) a naturally occurring alpha amino acid ({(CH3)2CH.CH2.CH(NH2) COOH}), one of the building units of almost all proteins of living organisms,… …   The Collaborative International Dictionary of English

  • CH2-COOH — Líquido corrosivo empleado en la producción de materiales plásticos de uso en procedimientos médicos y dentales. También llamado ácido 2 propenoico. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • Eumelanin — –(COOH) bedeutet, dass diese Stellen sowohl –H als auch –COOH oder andere Reste sein können der Pfeil deutet an, dass an dieser Stelle ein anderer Rest angehängt werden kann.[1] Das Eumelanin ist ein Pigment, das zusammen mit einer zweiten… …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”