| 分子式 | CHNaO2 |
甲醇中2-甲基苯并呋喃溶液
编号:1ST2940-1000M CAS号:4265-25-2 规格:1mL 浓度:1000μg/mL
N,N'-二苯基脲
编号:B28536-25g CAS号:102-07-8 规格:25g 浓度:≥98.0%
DPPH
编号:A22672-1g CAS号:1898-66-4 规格:1g
牛胆粉
编号:A21490-100g CAS号:8008-63-7 规格:100g 浓度:BR
咪唑烷脲
编号:CCHM700215 CAS号:39236-46-9 规格:250mg 浓度:98.5%
胭脂红(E124)
编号:FP050701-500mg CAS号:2611-82-7 规格:500mg 浓度:90.0%