硅化镁, 99.99% (metals basis)

Magnesium silicide

≥99.9% trace metals ...

水胺硫磷农药纯度标准物质

Isocarbophos

99.4% U=0.4% (k=2)

灭螨猛

chinomethionate

分析标准品

氯硫代磷酸二乙酯

Diethyl chlorothiophosphate

>97.0%(GC)

2-重氮-1-萘酚-5-磺酸钠盐

2-diazo-1-naphthol-5-sulfonic acid sodium salt hydrate

溴乙酸异丙酯

isopropyl bromoacetate

1-[[(3-nitrophenyl)methoxy]methyl]pyridinium chloride

1-[[(3-nitrophenyl)methoxy]methyl]pyridinium chloride

thiocarbamyl nitro blue tetrazolium*approx 90%

thiocarbamyl nitro blue tetrazolium*approx 90%

N-(N-acetyl-3-phenyl-L-alanyl)-3,5-diiodo-L-tyrosine

N-(N-acetyl-3-phenyl-L-alanyl)-3,5-diiodo-L-tyrosine

Methylenebis(3-thiopropionic acid)

Methylenebis(3-thiopropionic acid)

98%

乙酰碘

acetyl iodide

>95.0%(T)

三溴乙烯

Tribromoethylene

>97.0%(GC)

乙基丁基醚

Ethyl-n-butyl Ether

>99.0%(GC)

巴毒磷

Crotoxyphos

100μg/ml in methanol

甘氨酸甲酚红

glycine cresol red

2'-deoxyadenosine 3':5'-cyclic*monophosphate sodi

2'-deoxyadenosine 3':5'-cyclic*monophosphate sodi

9-苯基-1-壬醇

9-Phenyl-1-nonanol

≥98%

1-(4-methoxyphenyl)-6-phenylhexatriene

1-(4-methoxyphenyl)-6-phenylhexatriene

≥99%

聚(乙烯基甲基醚)

Poly(vinyl methyl ether) (70% in toluene)

30% in water

D-myo-inositol 4-monophosphate*di(cyclohexylammon

D-myo-inositol 4-monophosphate*di(cyclohexylammon