全部
≥99%, contains 5-20 ppm hydroquinone as inhibitor
100 μg/mL in Methanol
1000 μg/mL in Acetonitrile
2.0 mg/mL in MeOH
2000μg/mL
98%,Stabilized with
99.0%,Stabilized wit
99.0%(GC)
99.5%
99.5%,Stabilized wit
99%
analytical standard
Assay: 99.9%
certified reference material, 5000 μg/mL in acetonitrile
Standard for GC, ≥99
Standard for GC, ≥99.5%(GC)
化学纯(CP), ≥98%