
产品分类
ProductsSigma:(S)-α-缬氨酸 属性: 产品名称:L -缬氨酸, reagent grade, ≥98% (HPLC) Grade:reagent grade Quality Level:200 Assay:≥98% (HPLC)
Sigma:雷公藤内酯 属性: 产品名称:雷公藤内酯, from Tripterygium wilfordii, ≥98% (HPLC), solid biological source:Tripterygium wilfordii Assay:≥98% (HPLC) Form:solid
Sigma:碳酸氢钠 属性: Grade:ACS reagent Quality Level:300 Agency:suitable for EPA 1621, suitable for EPA 300 Assay:≥99.7%, 99.7-100.3%
Sigma:蔗糖 属性: biological source:sugar cane Quality Level:300 product line:BioReagent Assay:≥99.5% (GC) Form:crystals
Sigma:乙酰基-β-氯化甲基胆碱 属性: Quality Level:300 Grade:certified reference material, pharmaceutical secondary standard Agency:traceable to USP 1396364 API family:methacholine chloride
Sigma:聚-L-鸟氨酸 氢溴酸盐 属性: 产品名称:聚-L-鸟氨酸 氢溴酸盐, mol wt 30,000-70,000 Form:powder Quality Level:200 mol wt:30,000-70,000 Color:white to off-white storage temp.:−20°C
Sigma:Nω-硝基-L-精氨酸甲酯 盐酸盐 属性: 产品名称:Nω-硝基-L-精氨酸甲酯 盐酸盐, ≥97% (TLC), powder biological source:synthetic Quality Level:200 Assay:≥97% (TLC) Form:powder
Sigma:异烟酸 属性: Assay:99% Form:powder technique(s):cell culture | plant: suitable Mp:≥300 °C (lit.)
Sigma:马来酸 属性: Grade:reagent grade Quality Level:200 vapor density:4.0 (at °C, vs air) vapor pressure:≤0.1 at hPa ( 20 °C) product line:ReagentPlus® Assay:≥99% (HPLC) Form:powder Concentration:≤100%
Sigma:(±)-茉莉酸 属性: product line:BioReagent Quality Level:200 Assay:≥97% (TLC) Form:liquid