為實驗者效勞
Boric acid CAS:10043-35-3
5KG
Diethylene glycol monoethyl ether CAS: 111-90-0
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
CAS:1310-73-2
Dextrin white CAS: 9004-53-9