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Sigma:利福平,R3501-250MG,CAS:13292-46-1 屬性: 測定:≥97% (HPLC) 形式:powder 顏色:faintly orange to red-brown pKa :1.7 (4-hydroxyl group) 7.9 (4-piperazine nitrogen) pI:4.84 溶解性:H2O: 1.3mg/mL (pH 4.3)
Sigma:酮康唑,K1003-100MG,CAS:65277-42-1 屬性: 描述:Specific Optical Rotation (EP): (?0.10) ~ +0.10 ° 測定:99.0-101.0% (EP, titration) 顏色:white to off-white Mp:148-152°C 溶解性:methanol: soluble 40mg/mL
Sigma:N-乙酰-L-半胱氨酸|NAC,A7250-5G,CAS:616-91-1 屬性: 質(zhì)量水平:200 等級(jí):Sigma Grade 測定:≥99% (TLC) 形式:powder 應(yīng)用:cell analysis: suitable 顏色:white to off-white Mp:106-108°C (lit.) 溶解性:H2O: 100mg/mL (with heating)
Sigma:堿性木素,370959-100G,CAS: 8068-05-1 屬性: 表面張力:43mN/m (1% aqueous) 雜質(zhì):5% moisture 缺失:13.4wt. % loss on heating, @ 316°C 3.3wt. % loss on heating, @ 149°C 5.7wt. % loss on heating, @ 204°C
Sigma:膽堿氧化酶,C5896-1KU,CAS:9028-67-5 屬性: 形式:lyophilized powder specific activity:≥10units/mg solid 分子量:~95kDa 儲(chǔ)存溫度:?20°C
Sigma:乙酸鈉,S8750-500G,CAS:127-09-3 屬性: 等級(jí):anhydrous 產(chǎn)品線:ReagentPlus® 測定:≥99.0% 形式:solid 自燃溫度:1112°F pH值(酸堿度):8.5-9.9 (25°C, 246g/L) pKa:4.76 (acetic acid) Mp:300°C (dec.) (lit.)
Sigma:苯甲酸,73983-5G-F,CAS:65-85-0 屬性: 質(zhì)量水平:100 等級(jí):analytical standard for the calibration of the thermosystem 900 蒸汽密度:4.21 (vs air) 蒸汽壓:10 mmHg ( 132 °C) 形式:neat 自燃溫度:1061°F
Sigma:氘代DMSO,296147-50G,CAS:2206-27-1 屬性: 質(zhì)量水平:200 蒸汽壓:0.42 mmHg ( 20 °C) 同位素純度:99.9atom %D 測定:99% (CP) 形式:liquid 自燃溫度:573°F 包含: 0.03% (v/v) TMS expl. lim.:42% 應(yīng)用:NMR: suitable 雜質(zhì):≤0.0250% water
Sigma:5-氮胞苷,A2385-250mg,CAS:320-67-2 屬性: 測定:≥98% (HPLC) Mp:226-232°C (dec.) (lit.) 作用機(jī)制:DNA synthesis | interferes 抗生素抗菌譜:viruses 創(chuàng)始人:Celgene 儲(chǔ)存溫度:?20°C
Sigma:浴銅靈二磺酸二鈉鹽水合物,146625-1G,CAS:1257642-74-2 屬性: 質(zhì)量水平:200 Mp:300°C (lit.) SMILES string: O.[Na+].[Na+].Cc1nc2c(ccc3c(-c4ccccc4)c(c(C)nc23)S([O-])(=O)=O)c(-c5ccccc5)c1S([O-])(=O)=O