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Sigma試劑 L-Homocystine, H6010 - ≥98% (TLC)
sigma試劑 L-(-)-Arabitol ,A3506 - ≥98%
sigma試劑 Protease from Streptomyces griseus ,P8811 - powder, BioReagent, suitable for mouse embryo cell culture, ≥3.5 units/mg solid
sigma試劑DL-4-Hydroxy-3-methoxymandelic acid ,DL-4-羥基-3-甲氧基扁桃酸,H0131 - ≥98% (TLC), powder
sigma試劑 4-Hydroxy-3-methoxyphenylglycol sulfate potassium salt ,H8759 - ≥98% (HPLC), powder
sigma試劑 Homovanillic acid,H1252 - Fluorimetric reagent
sigma試劑 3,4-Dihydroxyphenylacetic acid ,3,4-二羥基苯乙酸,850217 - 98%
sigma試劑 Chloroquine diphosphate salt ,氯喹 二磷酸鹽,C6628 - solid, ≥98%
sigma試劑 Aflatoxin B1 from Aspergillus flavus ,黃曲霉素 B1 來源于黃曲霉,A6636 - from Aspergillus flavus
5α-Androst-16-en-3-one,5α-雄甾-16-烯-3-酮,A8008