全部
≥98%
≥99%
10
100(μg/mL)
1000 μg/mL in Dichloromethane
1000(μg/mL)
98%
99.0%(GC)
99.5%
99.5%(GC)
99.5%(标准的气相色谱)
99.50%
99%
99%(GC)
analytical standard
Assay: 99.7%
certified
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, 1000ug/ml in methanol
分析标准品,≥99.8%(GC)
适用于分析, 优级品