- 行业: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
C<sub>19</sub>H<sub>22</sub>N<sub>2</sub>O A colorless, crystalline alkaloid that melts at about 245_C; extracted from cinchona bark, it is used as a substitute for quinine and as a spot reagent for bismuth.
Industry:Chemistry
L'un d'un groupe de réactions impliquant les polyènes conjugués et de procéder par étape (concertée) mécanismes réactionnels.
Industry:Chemistry
C<sub>41</sub>H<sub>64</sub>O<sub>13</sub> A poisonous steroid glycoside found as the most active principle of digitalis, from the foxglove leaf.
Industry:Chemistry
CH<sub>2</sub>FCOOH A poisonous, crystalline compound obtained from plants, such as those of the Dichapetalaceae family, South Africa, soluble in water and alcohol, and burns with a green flame; the sodium salt is used as a watersoluble rodent poison. Also known as gifblaar poison.
Industry:Chemistry
C<sub>4</sub>H<sub>3</sub>OCO<sub>2</sub>CH<sub>3</sub> Colorless liquid that turns yellow in light; soluble in ether and alcohol, insoluble in water; used as a solvent and chemical intermediate.
Industry:Chemistry
CHBr<sub>3</sub> A colorless liquid, slightly soluble in water; used in the separation of minerals.
Industry:Chemistry
C<sub>6</sub>H<sub>5</sub>CHCHCOOH Colorless, monoclinic acid; forms scales, slightly soluble in water; found in natural balsams.
Industry:Chemistry
Chaîne linéaire, saturée hydrocarbure composé (ou analogique de celle-ci) dans lequel certains atomes d'hydrogène est remplacé par des atomes de fluor.
Industry:Chemistry
HN_C_O une des deux formes de l'acide cyanique ; un gaz utilisé comme intermédiaire dans la préparation de polyuréthane et autres résines.
Industry:Chemistry
C<sub>6</sub>H<sub>5</sub>CH:CHCH<sub>2</sub>OH White needles that congeal upon heating and are soluble in alcohol; used in perfumery.
Industry:Chemistry
