Sigma-Aldrich
Acoric acid
Actiphenol
活性酚
Adamantane-1-carboxamidoxime
ADAMANTANE-1-CARBOXYLIC ACID (FURAN-2-YLMETHYL)-AMIDE
ADIPIC ACID (3,4,5-TRIMETHOXYBENZYLIDENE)-HYDRAZIDE
ADIPIC BIS(BENZYLIDENEHYDRAZIDE)
9-methyl-6-[(4-nitrobenzyl)sulfanyl]-9H-purine
Aldrich?check-valve bubbler
Aldrich?Claisen adapter
Aldrich?Claisen distillation head with Vigreux indents
Aldrich?column clamp
Aldrich?compact ductless air cleaning system
Aldrich?dual-bank vacuum manifold with PTFE valves with jointed ends
Aldrich?Essentials desiccator
Aldrich?Essentials graduated cylinder, class A, meets DIN ISO 4788