為實驗者效勞
Barium hydroxide 8-hydrate CAS:12230-71-6
500G
Dextrin white CAS: 9004-53-9
Diethylamine CAS: 109-89-7
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
Diisopropanolamine CAS: 110-97-4