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中文名(CN) 英文名(EN) CAS No. 规格(SP) 报价(CNY) 产地(From) 类别(Key)
L-苏氨酸 L-Threonine (cell culture tested, ≥99%) 72-19-5 10G 295.00 Sigma-T8441 氨基酸
L-苏氨酸 L-Threonine (cell culture tested, ≥99%) 72-19-5 25G 520.00 Sigma-T8441 氨基酸
L-苏氨酸 L-Threonine (cell culture tested, ≥99%) 72-19-5 100G 1560.00 Sigma-T8441 氨基酸

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数据参数(Specifications)

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中文名称 L-羟基丁氨酸;α-氨基-β-羟基丁酸;L-苏氨酸;(2S,3R)-2-氨基-3-羟基丁酸;L-α-氨基-β-羟基丁酸;L-异赤丝藻氨基酸;丁羟氨酸
英文名称 (2S,3R)-2-Amino-3-hydroxybutyric acid;L-2-Amino-3-hydroxybutyric acid;L-Threonine
CAS识别号 72-19-5
MDL识别号 MFCD00064270
EC识别号 200-774-1
Beilstein 1721646
分子式 CH3CH(OH)CH(NH2)CO2H
分子量 119.12
分子结构图 分子图
产品性状 白色结晶体或结晶粉末。溶于水,不溶于无水乙醇、乙醚和氯仿等大多数有机溶剂。半数致死量(大鼠,腹腔)3098mg/kg.水中溶解度:90 g/L (20°C),熔点:255℃(分解),
质量标准 品级Grade                                             用于细胞培养,99.0-101.0%  
                                                               (for cell culture, 99.0-101.0%)
来源origin                                               must be non-animal source
外观appearance                                      white crystalline powder
红外鉴别试验identification by ir            compares to reference standard
水溶解性solubility                                  clear colorless solution at 1g to 10ml of water
比旋光度specific rotation                      -27.6 to -29.0 deg (20degc/EP, JP)
                                                              -26.7 to -29.1 deg (25degc/USP)
                                                                c = 6 in water
氯chloride                                                ≤ 0.020%
铵ammonium                                            ≤ 0.02%
硫酸盐sulfate                                           ≤ 0.020%
铁iron                                                       ≤ 10 ppm
重金属heavy metals                                 ≤ 10 ppm
砷arsenic                                                  ≤ 1 ppm
干燥失重loss on drying                            ≤ 0.20%
灼烧残渣residue on ignition                      ≤ 0.10%
残留溶剂residual solvents                        meets the requirements
茚三酮阳性物质ninhydrin-positive substances (other amino acids)
                                                                 conforms
ph test (USP)                                           5.0 to 6.5 (5% in water)
ph test (EP)                                              5.0 to 6.5 (2.5% in water)
ph test (JP)                                              5.2 to 6.2 (1% in water)
含量assay (dry basis)                               99.0 to 101.0%
内毒素endotoxin assay                             ≤ 1 eu/mg
细胞培养测试cell culture test                        pass
储存条件 常温密封避光保存,Stored in cool, dry and airproof.
包装说明 Bellancom原装进口,正品保证,Bellancom Chemistry The original.
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