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Sigma:聚乙烯醇,10852-250G,CAS:9002-89-5 屬性: 分子量:Mw~61,000 標(biāo)記范圍:98.0-98.8mol% hydrolysis ~1,400 polymerization 灼燒殘渣:≤0.5% 粘度:9-11mPa.s, 4% in H2O(20°C)
Sigma:苯扎氯銨,12060-100G,CAS:63449-41-2 屬性: 質(zhì)量水平:200 描述:cationic 測定:≥95.0% (T) 形式:semisolid
Sigma:甲酚紅,114472-5G,CAS:1733-12-6 屬性: 質(zhì)量水平:200 等級:indicator grade 形式:powder or crystals 組成:Dye content, 95% 應(yīng)用:hematology: suitable histology: suitable titration: suitable
Sigma:米吐爾,320013-100G,CAS:55-55-0 屬性: 等級:ACS reagent 測定:99% 99.0-101.5% (ACS specification) 自燃溫度:989°F 灼燒殘渣:≤0.1% Mp:260°C (dec.) (lit.) 適用性:passes test for determination of phosphate
Sigma:視黃醇,95144-250MG,CAS:68-26-8 屬性: 生物來源:synthetic 產(chǎn)品線:BioXtra 測定:≥97.5% (HPLC) 形式:powder specific activity:~3100U/mg 保質(zhì)期:limited shelf life 顏色:faint yellow to very dark yellow
Sigma:檸檬酸,27487-250G-F 屬性: 產(chǎn)品線:BioUltra 測定:≥99.5% (T) 形式:powder or crystals expl. lim.:8%, 65°F 應(yīng)用:cell culture | hybridoma: suitable 雜質(zhì):insoluble matter, passes filter test 灼燒殘渣:≤0.05% (as SO4)
Sigma:鄰苯二甲酸氫鉀,14659-1G,CAS:877-24-7 屬性: 質(zhì)量水平:300 等級:Standard for quantitative NMR certified reference material TraceCERT® 描述:qNMR Standard for D2O (8.2 ppm / 7.5 ppm) 形式:neat
Sigma:氧化鋅,544906-10G,CAS:1314-13-2 屬性: 測定:~80% Zn basis 形式:nanopowder 粒徑:100nm 表面積:10-25m2/g SMILES string:O=[Zn]
Sigma:Reserpine,83580-5G,CAS:50-55-5 屬性: 測定:≥99.0% (HPLC) 旋光性:[α]20/D ?123±3°, c =1% in chloroform 質(zhì)量:crystallized Mp:~265°C (dec.)
Sigma:蒽酮,319899-25G,CAS:90-44-8 屬性: 質(zhì)量水平:200 等級:ACS reagent 測定:97% 形式:powder or crystals 應(yīng)用:hematology: suitable histology: suitable Mp:154-157°C (lit.)