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Sigma:磷酸氫二鈉,71649-500G,CAS:10039-32-4 屬性: 質(zhì)量水平:200 產(chǎn)品線:BioXtra 測定:≥99.0% (T) 形式:crystals 應(yīng)用:histology: suitable 雜質(zhì):insoluble matter, passes filter test pH值(酸堿度):8.8-9.4 (25°C, 0.1M in H2O)
Sigma:四氧化三鐵,637106-25G,CAS:1317-61-9 屬性: 質(zhì)量水平:100 測定:97% trace metals basis 形式:nanopowder spherical 粒徑:50-100nm (SEM) 表面積:BET surf. area 6-8m2/g (estimated) Mp:1538°C (lit.) 密度:4.8-5.1g/mLat 25°
Sigma:溶菌酶,62971-10G-F,CAS:12650-88-3 屬性: 形式:powder (crystalline) 質(zhì)量水平:100 specific activity:~70000U/mg 分子量:single-chain 14.3kDa Mr~14600 儲(chǔ)存溫度:2-8°C
Sigma:D(+)-乳糖一水合物,61339-25G,CAS:64044-51-5 屬性: 產(chǎn)品線:BioUltra 質(zhì)量水平:100 測定:≥99.5% (HPLC) 旋光性:[α]20/D +53±1°, 22hr, c =10% in H2O 雜質(zhì):insoluble matter, passes filter test 灼燒殘?jiān)骸?.05% (as SO4)
Sigma:檸檬酸鈉,71402-250G,CAS: 6132-04-3 屬性: 質(zhì)量水平:200 等級(jí):for molecular biology 產(chǎn)品線:BioUltra 形式:crystals 應(yīng)用: precipitation assay: suitable
Sigma:甜菜堿,61962-50G,CAS:107-43-7 屬性: 產(chǎn)品線:BioUltra 質(zhì)量水平:200 測定:≥99.0% (NT) 雜質(zhì): insoluble matters, passes filter test 溶解性: methanol: 1M at20°C, clear, colorless 痕量陰離子: chloride (Cl-): ≤200mg/kg
Sigma:十七烷酸甲酯,51633-1G,CAS:1731-92-6 屬性: 質(zhì)量水平:100 等級(jí):analytical standard 測定:≥99.0% (GC) 形式:neat 保質(zhì)期:limited shelf life, expiry date on the label 應(yīng)用: HPLC: suitable gas chromatography (GC): suitable
Sigma:氯化鈀(II)520659-1G,CAS: 7647-10-1 屬性: 質(zhì)量水平:100 測定:≥99.9% 組成:Pd, 59-60% Mp:678-680°C (lit.) 密度:4g/mLat 25°C (lit.)
Sigma:甘氨酸,50046-50G,CAS:56-40-6 屬性: 質(zhì)量水平:100 等級(jí):for molecular biology 產(chǎn)品線:BioUltra 測定:≥99.0% (NT) 形式:crystalline 雜質(zhì): DNases, none detected RNases, none detected insoluble matter, passes filter test
Sigma:日柏醇,469521-5G,CAS:499-44-5 屬性: 質(zhì)量水平:100 測定:99% Bp:140°C/10mmHg (lit.) Mp:50-52°C (lit.)