
产品分类
ProductsSigma:聚乙烯醇,10852-250G,CAS:9002-89-5 属性: 分子量:Mw~61,000 标记范围:98.0-98.8mol% hydrolysis ~1,400 polymerization 灼烧残渣:≤0.5% 粘度:9-11mPa.s, 4% in H2O(20°C)
Sigma:苯扎氯铵,12060-100G,CAS:63449-41-2 属性: 质量水平:200 描述:cationic 测定:≥95.0% (T) 形式:semisolid
Sigma:甲酚红,114472-5G,CAS:1733-12-6 属性: 质量水平:200 等级:indicator grade 形式:powder or crystals 组成:Dye content, 95% 应用:hematology: suitable histology: suitable titration: suitable
Sigma:米吐尔,320013-100G,CAS:55-55-0 属性: 等级:ACS reagent 测定:99% 99.0-101.5% (ACS specification) 自燃温度:989°F 灼烧残渣:≤0.1% Mp:260°C (dec.) (lit.) 适用性:passes test for determination of phosphate
Sigma:视黄醇,95144-250MG,CAS:68-26-8 属性: 生物来源:synthetic 产品线:BioXtra 测定:≥97.5% (HPLC) 形式:powder specific activity:~3100U/mg 保质期:limited shelf life 颜色:faint yellow to very dark yellow
Sigma:柠檬酸,27487-250G-F 属性: 产品线:BioUltra 测定:≥99.5% (T) 形式:powder or crystals expl. lim.:8%, 65°F 应用:cell culture | hybridoma: suitable 杂质:insoluble matter, passes filter test 灼烧残渣:≤0.05% (as SO4)
Sigma:邻苯二甲酸氢钾,14659-1G,CAS:877-24-7 属性: 质量水平:300 等级:Standard for quantitative NMR certified reference material TraceCERT® 描述:qNMR Standard for D2O (8.2 ppm / 7.5 ppm) 形式:neat
Sigma:氧化锌,544906-10G,CAS:1314-13-2 属性: 测定:~80% Zn basis 形式:nanopowder 粒径:100nm 表面积:10-25m2/g SMILES string:O=[Zn]
Sigma:Reserpine,83580-5G,CAS:50-55-5 属性: 测定:≥99.0% (HPLC) 旋光性:[α]20/D −123±3°, c =1% in chloroform 质量:crystallized Mp:~265°C (dec.)
Sigma:蒽酮,319899-25G,CAS:90-44-8 属性: 质量水平:200 等级:ACS reagent 测定:97% 形式:powder or crystals 应用:hematology: suitable histology: suitable Mp:154-157°C (lit.)