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特价供应Sigma C5890Casein酪蛋白价格
中文名称酪蛋白;酪胶;酪朊;酪素;奶酪素;乳酪素;酪朊酸;干酪素
英文名称Caseins;CASEIN;CASEIN 2;CASEIN 1;CASEIN-AGAROSE;CASEIN, VITAMIN FREE;CASEIN, NEW ZEALAND;CASEIN(MILK)
CAS识别号9000-71-9
MDL识别号MFCD00081481
EC识别号232-555-1
BeilsteinNull,without related properties.
分子式C47H48N3NaO7S2
分子量Null,without related properties.
分子结构图
产品性状白色至淡黄色颗粒、粉末或片状。无臭,无味或有轻微香气和滋味。不溶于水和醇。溶于碱液而成酪蛋白酸盐。等电点为pH值4.6。如制造过程中因洗涤不充分而残留还原糖(乳糖),在加热干燥时与酪蛋白起美拉德反应,可造成褐变。
质量标准Product NameCasein from bovine milk
suitable for substrate for protein kinase (after dephosphorylation), purified powder
Product NumberC5890
Product BrandSIGMA
CAS Number9000-71-9
TESTSPECIFICATION
Appearance (Color)White to Off-White
Appearance (Form)Powder
Solubility (Color)Yellow
Solubility (Turbidity)Slightly Hazy to Turbid
50 mg/mL, 1N NaOH
Nitrogen13.0 - 15.0 %
SuitabilitySuitable
Suitable for dephosphorylating into substrate for
protein kinase assays
Recommended Retest Period------------------------------
2 Years
储存条件常温密封避光保存,Stored in cool, dry and airproof.
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