sigma試劑現貨 L5626-100g L-Lysine monohydrochloride 100g L-賴氨酸鹽酸鹽
sigma試劑現貨 341436-25g Tetramethyl orthosilicate 25g 硅酸甲酯
sigma試劑現貨 407410-10g Sodium sulfide 10g 硫化鈉
sigma現貨,p9560-1000ea Finnpipette® pipette tips
sigma現貨,B6008-25g Ponceau BS - Dye content
sigma現貨,A7413-25g Alloxan monohydrate