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Sigma:丙酮酸,107360-25G,CAS:127-17-3 屬性: 測定:98% 折射率:n20/D 1.428 (lit.) Bp:165°C (lit.) Mp:11-12°C (lit.) 溶解性:H2O: miscible alcohol: miscible diethyl ether: miscible 密度:1.267g/mLat 25°C (lit.)
Sigma:L -抗壞血酸,33034-100G,CAS:50-81-7 屬性: 質(zhì)量水平:200 生物來源:synthetic 等級:ACS reagent puriss. p.a. 機(jī)構(gòu)/方法:Ph. Eur. USP/NF reag. ISO 測定:99.7-100.5% (oxidimetric) 形式:solid 旋光性:[α]20/D +20.5 to +21.5°, c =10%
Sigma:礦物油,330779-1L,CAS:8042-47-5 屬性: 質(zhì)量水平:200 形式:viscous liquid 顏色:white 折射率:n20/D 1.467 (lit.) 密度:0.838g/mLat 25°C
Sigma:膽紅素,14370-250MG,CAS:635-65-4 屬性: 等級:purum 測定:≥95.0% (UV) 形式:powder 灼燒殘渣:≤0.5%
Sigma:DL-丙交酯,303143-100G,CAS:95-96-5 屬性: 測定:99% 形式:crystals Bp:142°C/8mmHg (lit.) Mp:116-119°C 儲存溫度:2-8°C
Sigma:香芹酚,282197-10G,CAS:499-75-2 屬性: 測定:98% 折射率:n20/D 1.522 (lit.) Bp:236-237°C (lit.) Mp:3-4°C (lit.) 密度:0.976g/mLat 20°C (lit.)
Sigma:十八醇,258768-5G,CAS:112-92-5 屬性: 蒸汽密度:9.3 (vs air) 蒸汽壓:0.01 mmHg ( 38 °C) 產(chǎn)品線:ReagentPlus® 測定:99% 自燃溫度:842°F expl. lim.:~8% Bp:170-171°C/2mmHg Mp:56-59°C (lit.)
Sigma:氯化銫,289329-100G,CAS:7647-17-8 屬性: 產(chǎn)品線:ReagentPlus® 測定:99.9% 形式:crystals, chunks or beads pH值(酸堿度):6-7.5
Sigma:L-酒石酸,251380-100G,CAS:87-69-4 屬性: 質(zhì)量水平:200 等級:ACS reagent 蒸汽密度:5.18 (vs air) 測定:≥99.5% 形式:crystalline powder crystals 旋光性:[α]20/D +12.4°, c =20 in H2O 光學(xué)純度:ee: 99% (GLC) 自燃溫度:797°F 雜質(zhì):≤0.002%
Sigma:甲酸鈉,247596-100G,CAS:141-53-7 屬性: 等級:ACS reagent 測定:≥99.0% 形式:powder or crystals 雜質(zhì):≤0.005% insolubles Mp:259-262°C (lit.) 溶解性:water: soluble(lit.) 痕量陰離子:chloride (Cl-): ≤0.001%