sigma试剂 4-Hydroxy-3-methoxyphenylglycol sulfate potassium salt ,H8759 - ≥98% (HPLC), powder
sigma试剂 Homovanillic acid,H1252 - Fluorimetric reagent
sigma试剂 3,4-Dihydroxyphenylacetic acid ,3,4-二羟基苯乙酸,850217 - 98%
sigma试剂 Chloroquine diphosphate salt ,氯喹 二磷酸盐,C6628 - solid, ≥98%
sigma试剂 Aflatoxin B1 from Aspergillus flavus ,黄曲霉素 B1 来源于黄曲霉,A6636 - from Aspergillus flavus
5α-Androst-16-en-3-one,5α-雄甾-16-烯-3-酮,A8008