生育酚 及PMC内标 MF MW λmax E1%1cm Assay Appearance 1. d-α-生育酚 250 mg d-α-tocopherol C29H50O2 430.71 292 nm 78.1 99.5+% 2. d-β-生育酚 250 mg d-β-tocopherol C28H48O2 416.69 296 nm 89.2 99.5% 3. d-γ-生育酚 250 mg d-γ-tocopherol C28H48O2 416.69 297 nm 94.4 99.5+% 4. d-δ-生育酚 250 mg d-δ-tocopherol C27H46O2 402.66 297 nm 92.9 99.5+% 5. 2,2,5,7,8-五甲基-6-羟基色满(PMC) 250 mg C14H20O2 nm 92.9 99.9% 2,2,5,7,8-Pentamethyl-6-hydroxychroman (PMC) 以上均是淡黄色粘稠液体,PMC 白色结晶粉末 注: PMC用于HPLC分析维生素E的内标,但不可用于GC PMC is used as the internal standard for HPLC analysis of tocopherol, but not for GC analysis 生育酚 Research use only. Do not administer it to human. 保存方法: 每瓶标样都铝箔袋密封内有干燥剂。一旦打开包装需加入惰性气体,避光2-10℃可以保存6个月 使用方法(标准液配制) Instruction for use (Preparation of each solution) Weigh 50 ~ 100 mg of each reagent by chemical balance, to the nearest 0.1mg. Add ethanol or hexane to dissolve the reagent to the final concentration of 1 mg vitamin homologue/mL as the stock solution. The stock solution in tightly capped vials are stable at 5 degrees C for a month. The standard solutions for each homologue can be prepared by dilution the stock solution just before use. 1.准确称取每种标品50-100mg,精确至0.1mg 2.用乙醇或正己烷溶解标品配成贮存液,最终浓度为1mg/ml。贮存液密封,在5℃可以保存1个月 3.使用前取贮存液稀释成标准溶液后使用 上海惠诚生物科技有限公司 电话:021- 60498804 dl-Tocol 250mg / 4562元 97+ % 用途:生体内等のビタミンEの定量に使用される内標準物質 另有α β γ δ - 三烯生育酚 标准品 TOCOTRIENOL, D-ALPHA 10mg TOCOTRIENOL, D-BETA 5mg TOCOTRIENOL, D-DELTA 10mg TOCOTRIENOL, D-GAMMA 10mg 英文: 3,4-dihydro-2,7,8-trimethyl-2R- -2H-1-benzopyran-6-ol CAS: 14101-61-2 分子式: C28H42O2 分子量: 410.6 Formulation A solution in ethanol Purity: 98% λmax : 297 nm