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 | T8441 | 氨基酸 |
L-苏氨酸 | L-Threonine (cell culture tested, ≥99%) | 72-19-5 | 25G | 520.00 | T8441 | 氨基酸 |
L-苏氨酸 | L-Threonine (cell culture tested, ≥99%) | 72-19-5 | 100G | 1560.00 | T8441 | 氨基酸 |
数据参数(Specifications)
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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 | |
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***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 *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***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 |