全部
>95% (GC)
≥99%
100 μg/mL in MeOH
1000μg/ml,溶剂:乙腈
1000μg/ml,溶剂:甲醇
1000μg/ml(溶剂:MeOH)
95%+
98.5%
99.0%(GC)
99.5%(标准试剂)
99%
AR, ≥99%
AR,99.5%
purified by sublimation, ≥99.5%
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, 1000ug/ml in methanol
试剂级, 99.5%
适用于合成