全部
>95%
≥99.5%, 已加稳定剂
≥99%, contains 20 ppm MEHQ as stabilizer
1000 μg/mL in EtOH
1000μg/mL
99.0%(GC)
99.5%
99%
99%,含20ppm MEHQ稳定剂
contains 10-20 ppm MEHQ as inhibitor, 99%
CP,98.0% ,含20ppm MEHQ稳定剂
Standard for GC, ≥99
Standard for GC, ≥99.5%(GC), 含0.01% MEHQ 稳定剂