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Sigma:乳酸,L6661-100ML,CAS:50-21-5 屬性: 質(zhì)量水平:200 機(jī)構(gòu)/方法:USP/NF meets USP testing specifications 測定:88.0-92.0% 形式:viscous liquid 折射率:n20/D 1.425 (lit.) pH值(酸堿度):2 Bp:122°C/15mmHg (lit.) 密度:1.209g/mLat
Sigma:無水磷酸氫二鈉,S7907-100G,CAS:7558-79-4 屬性: 質(zhì)量水平:200 產(chǎn)品線:BioXtra 測定:≥99.0% 形式:powder or crystals 雜質(zhì):≤0.1% Insoluble matter pH值(酸堿度):8.0-11.0 (20°C, 1M in H2O)
Sigma:二硫蘇糖醇,D0632-10G,CAS:3483-12-3 屬性: 質(zhì)量水平:200 測定:≥98% (HPLC) ≥99.0% (titration) reaction suitability:reagent type: reductant Mp:41-44°C (lit.)
Sigma:二硫蘇糖醇,43816-50ML,CAS:3483-12-3 屬性: 質(zhì)量水平:200 等級:for molecular biology 產(chǎn)品線:BioUltra 濃度:~1M in H2O 雜質(zhì):DNases, none detected RNases, none detected phosphatases, none detected
Sigma:乙酸銨,238074-25G,CAS:631-61-8 屬性: 質(zhì)量水平:200 等級:ACS reagent 蒸汽壓:0.001 hPa 測定:≥97% 形式:solid 雜質(zhì):≤0.005% insolubles 灼燒殘渣:≤0.01% pH值(酸堿度):6.7-7.3 (25°C, 5%)
Sigma:α-葡萄糖苷酶,G0660-750UN,CAS:9001-42-7 屬性: 質(zhì)量水平:200 重組:expressed in proprietary host 形式:lyophilized powder specific activity:≥100units/mg protein 環(huán)保替代產(chǎn)品特性:Waste Prevention
Sigma:γ-Globulins,G4386-25G 屬性: 質(zhì)量水平:300 生物來源:human blood 測定:≥99% (electrophoresis) 形式:powder 應(yīng)用:protein quantification: suitable 雜質(zhì):HIV, HCV and HBsAg, source material tested negative ≤4% NaCl
Sigma:去離子水,38796-1L,CAS:7732-18-5 屬性: 質(zhì)量水平:200 蒸汽密度:1 (vs air) 蒸汽壓:3 mmHg 形式:liquid 質(zhì)量:deionized 折射率:n20/D 1.34 (lit.) pH值(酸堿度):6.0-8.0 (25°C)
Sigma:纖維素酶,C1184-5KU,CAS:9012-54-8 屬性: 形式:powder 質(zhì)量水平:200 specific activity:≥0.3units/mg solid 環(huán)保替代產(chǎn)品特性:Design for Energy Efficiency Learn more about the Principles of Green Chemistry.
Sigma:乙醇胺,398136-25ML,CAS:141-43-5 屬性: 質(zhì)量水平:200 等級:ACS reagent 蒸汽密度:2.1 (vs air) 蒸汽壓:0.2 mmHg ( 20 °C) 測定:≥99.0% 自燃溫度:1436°F expl. lim.:17% 雜質(zhì):≤0.30% water 顏色:APHA: ≤15