• D-葡萄糖酸钠,99%
  • D23003 90-80-2

    D-(+)-Gluconic acid δ-lactone

产品订购
产品货号重量货期 优惠价 数量
D23003-100g 100g 准现货 询价
D23003-500g 500g 准现货 询价
  • 产品信息

属性

溶解性 Soluble in water (500 g/l) at 20 °C, alcohol (1g/100g), and methanol (very slightly). Insoluble in ether, diethyl ether, and acetone.
存贮条件 本品应储存在干燥、通风、清洁良好的环境中,储存期2年。
熔点 160°C
密度 0.6000
旋光率 63.5 ° (C=10, H2O)
荧光
IC50
pK Values

描述

别名 D-葡萄酸内酯;δ-葡萄糖酸內酯;D-(+)-葡萄糖酸-1,5-内酯;D-葡萄糖酸δ-内酯;D-葡萄糖酸-δ-内酯;1,2,3,4,5-五羟基己酸δ-内酯;Gluconic Acid Anhydride;Gluconic Acid δ-Lactone;D-(+)-Dextronic acid δ-lactone
产品介绍 易溶于水,并缓慢水解,在水中溶解度为59g/100ml,稍溶于乙醇,在乙醇中为1g/100ml,不溶于乙醚。新配制的1%溶液pH为2.5。在水溶液中水解形成葡萄糖酸与其内酯的平衡溶液。
用途 a product of the oxidation of glucose by glucose oxidase
生化机理 Gluconolactone is a product of the oxidation of glucose by glucose oxidase. It has been found to be a mixed type, noncompetitive inhibitor for the hydrolysis of p-nitrophenyl alpha-D-glucoside by glucoamylase, an enzyme that breaks down starch into glucose.

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