硫酸铁（Ⅲ）铵分析滴定液

Ammonium iron(Ⅲ) sulfate Analytical Titrant

Analysis of titratio...

化学耗氧量成分分析标准物质

COD Calibration Standard

237mg/L in water

4,4'-双(4-氨基-2-三氟甲基苯氧基)联苯, 99%

4,4'-Bis(4-amino-2-trifluoromethylphenoxy)biphenyl

(2-氟-5-(((4-甲氧苄基)氨基)甲基)苯基)硼酸, 99%

(2-Fluoro-5-(((4-methoxybenzyl)amino) methyl)phenyl)boronic acid

1-(2-氯-6-氟苄基)-1,4-二氮杂烷

1-(2-Chloro-6-fluorobenzyl)-1,4-diazepane

98%

4-((叔丁氧羰基)氨基)-2-甲基丁酸, 98%,DCM＜5%

4-((tert-Butoxycarbonyl)amino)-2-methylbutanoic acid

4-溴-1H-吡咯并[2,3-b]吡啶-6-腈

4-bromo-1H-pyrrolo[2,3-b]pyridine-6-carbonitrile

98%

愈创木油,

Guaiac wood oil

4-(4-碘-1H-吡唑-1-基)哌啶, 98%

4-(4-Iodo-1H-pyrazol-1-yl)piperidine

葡聚糖 PEG Conjugate

Dextran PEG Conjugate

MW 2000 Da

4-乙基-5-苯基-4H-1,2,4-三唑-3-硫醇

4-ETHYL-5-PHENYL-1,2,4-TRIAZOLE-3-THIOL

4-(氰基甲基)邻苯二甲腈, 98%

4-(Cyanomethyl)phthalonitrile

3-乙基3-氨基氮杂环丁烷1-叔丁基-1,3-二羧酸酯

1-tert-butyl 3-ethyl 3-aminoazetidine-1,3-dicarboxylate

98%

N- [2-（烯丙氧基）苄基] -N-2,3-二氢-1,4-苯并二恶英-6-胺盐酸盐

N-[2-(allyloxy)benzyl]-N-2,3-dihydro-1,4-benzodioxin-6-ylamine hydrochloride

4-乙酰基-3-氟苯硼酸, 99%

4-Acetyl-3-fluorophenylboronic acid

甲唑啉

2-[(E)-2-(2-methylphenyl)ethenyl]-4,5-dihydro-1H-imidazole ethanedioate (1:1)

OP-10乳化剂, 亲水,羟值87±10

OP-10 Emulsifier

N-（1,3-噻唑-2-基）哌啶-4-羧酰胺

N-(1,3-thiazol-2-yl)piperidine-4-carboxamide

1-乙基-5-甲基-吡唑-3-羧酸甲酯

Methyl 1-ethyl-5-methyl-pyrazole-3-carboxylate

试剂级

4-溴-2,3-二氯苯酚, 98%

4-Bromo-2,3-Dichlorophenol