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Sigma:氯仿,496189-1L,CAS:67-66-3 屬性: 質(zhì)量水平:100 等級(jí):biotech. grade 蒸汽密度:4.1 (vs air) 蒸汽壓:160 mmHg ( 20 °C) 測(cè)定:≥99.8% 形式:liquid
Sigma:乙醇胺,411000-100ml,CAS:141-43-5 屬性: 蒸汽密度:2.1 (vs air) 質(zhì)量水平:200 蒸汽壓:0.2 mmHg ( 20 °C) 測(cè)定:≥99.5% 自燃溫度:1436°F 純化方式:glass distillation redistillation expl. lim.:17% 折射率:n20/D 1.454 (lit.)
Sigma:脫氧核糖核酸,D4522-1MG,CAS:91080-16-9 屬性: 質(zhì)量水平:200 等級(jí): for molecular biology 類型:Type XV 形式:lyophilized powder 儲(chǔ)存溫度:?20°C
Sigma貨號(hào):Trizma 堿|tris堿,T4661-1KG,CAS:77-86-1 屬性: 質(zhì)量水平:400 描述:aminopeptidase substrate 測(cè)定:≥99.9% (titration) 形式:crystalline 缺失:≤5% (loss on drying, 110 °C) 顏色:white pH值(酸堿度):10.0-11.5 有效pH范圍:7 - 9
Sigma:海藻酸鈉,A2033-100G,CAS:9005-38-3 屬性: 質(zhì)量水平:200 生物來(lái)源:algae (brown) 形式:powder 粘度:≥2,000cP, 2%(25°C)(lit.) 儲(chǔ)存溫度:2-8°C
Sigma:硒,229865-5G,CAS:7782-49-2 屬性: 質(zhì)量水平:100 描述:gray 測(cè)定:99.99% trace metals basis 形式:powder 電阻率:1.2μΩ-cm, 0°C 粒徑:?100mesh Bp:684.9°C (lit.) Mp:217°C (lit.) 密度:4.81g/mLat 25°C (lit.)
Sigma貨號(hào):L -還原型谷胱甘肽,G4251-1G 屬性: 質(zhì)量水平:300 測(cè)定:≥98.0% 形式:powder 應(yīng)用:detection: suitable 顏色:white Mp:192-195°C (dec.) (lit.) 儲(chǔ)存溫度:2-8°C Amino Acid Sequence:γ-Glu-Cys-Gly
Sigma:芝麻油,S3547-250ML,CAS:8008-74-0 屬性: 生物來(lái)源:Sesamum indicum(sesame) 質(zhì)量水平:100 形式:liquid 密度:0.92g/mLat 25°C 官能團(tuán):oleic acid 運(yùn)輸:ambient 儲(chǔ)存溫度:room temp
Sigma:地衣紅,O7380-10G,CAS:1400-62-0 屬性: 質(zhì)量水平:100 生物來(lái)源:synthetic 形式:powder or crystals 應(yīng)用:hematology: suitable histology: suitable 溶解性:1 M NaOH: 1mg/mL, clear Εmax:≥400 at 580nm in 0.1 M NaOH
Sigma:氧氟沙星,O8757-1G,CAS:82419-36-1 屬性: 質(zhì)量水平:200 生物來(lái)源:synthetic 測(cè)定:≥99% (HPLC) 形式:powder 溶解性:1 M NaOH: soluble 50mg/mL 作用機(jī)制:DNA synthesis | interferes