
產(chǎn)品分類
Products產(chǎn)品中心/ PRODUCTS
Sigma:視黃醇,95144-250MG,CAS:68-26-8 屬性: 生物來源:synthetic 產(chǎn)品線:BioXtra 測(cè)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:纖維素,435236-1KG,CAS:9004-34-6 屬性: 形式:microcrystalline powder 粒徑:51μm pH值(酸堿度):5-7 (11wt. %) 堆積密度:0.6g/mL (25°C)
Sigma:檸檬酸,27487-250G-F 屬性: 產(chǎn)品線:BioUltra 測(cè)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?jiān)骸?.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(jí):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(cè)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(cè)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(jí):ACS reagent 測(cè)定:97% 形式:powder or crystals 應(yīng)用:hematology: suitable histology: suitable Mp:154-157°C (lit.)
Sigma:L-天冬酰胺,A0884-100G,CAS:70-47-3 屬性: 測(cè)定:≥98% (HPLC) 形式:powder 應(yīng)用:detection: suitable 顏色:white Mp:235°C (dec.) (lit.)
Sigma:瓊脂糖,05066-50G,CAS:9012-36-6 屬性: 等級(jí):for molecular biology 雜質(zhì):DNases, none detected RNases, none detected phosphatases, none detected proteases, none detected 灼燒殘?jiān)骸?% 缺失:≤10% loss on drying
Sigma:核糖核酸酶A,R5503-100MG,CAS:9001-99-4 屬性: 質(zhì)量水平:200 類型:Type I-AS 形式:lyophilized powder specific activity:50-100Kunitz units/mg protein 分子量:~13,700 雜質(zhì):salt, essentially free