background and overview[1] valeric acid is a colorless liquid; it has an unpleasant odor and flavor, similar to butyric acid; melting point is 34℃; bo…

overview[1] (-)-1-[(4-chlorophenyl)benzyl]piperazine can be used as a pharmaceutical synthesis intermediate, such as the synthesis of levocetirizine. …

overview[1] 1-(4-bromobenzene)cyclopropylamine can be used as a pharmaceutical synthesis intermediate. if 1-(4-bromobenzene)cyclopropylamine is inhale…

background and overview[1] 2,3-dichlorobenzamide can be used as a pharmaceutical synthesis intermediate. if 2,3-dichlorobenzamide is inhaled, move the…

overview[1] 2,4-diiodoaniline can be used as a pharmaceutical synthesis intermediate. if 2,4-diiodoaniline is inhaled, move the patient to fresh air; …

background[1] biguanide trioctyl benzene sulfonate, chemical name: 1,1-octylmethylene biguanide trioctyl phenyl sulfonate. it is a new biguanide fungi…

background and overview[1] anisal is miscible with ethanol and ether, soluble in acetone, benzene and chloroform, and insoluble in water. evaporates i…

background and overview[1][2] 2,4,6-trimethylbenzenesulfonyl chloride is an organic chemical intermediate that can undergo acylation reactions with so…

background and overview[1] o-phthalaldehyde is an important pharmaceutical and chemical intermediate. it was previously mainly used in amine alkaloids…

background and overview[1] the molecular formula of phloroglucinol is c6h6o3, white rhombus crystal. sweet taste. color disappears when exposed to lig…

background and overview[1] ortho-phthalaldehyde is a pharmaceutical intermediate that has been widely used in amine alkaloids, fluorometer histamine d…