| 分子式 | C28H32O4Si4 |
有机硅消泡剂
编号:PY19515 规格:1kg
二甲基砷溶液标准物质
编号:GBW(E)083530 规格:5mL 浓度:21.5μg/g(以As计)
2-苯乙胺
编号:CCEM500323 CAS号:64-04-0 规格:2mL 浓度:98.4%
咪唑烷脲
编号:CCHM700215 CAS号:39236-46-9 规格:250mg 浓度:98.5%
N,N-二环已脲
编号:CCHM700282 CAS号:2387-23-7 规格:100mg 浓度:97.2%
1-(七氟丁酰)咪唑[酰化剂,≥97.0%
编号:CFEQ-4-470477-0001 规格:1g