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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-异亮氨酸 L-Isoleucine (cell culture tested, ≥98.5%) 73-32-5 25G 620.00 Sigma-I7403 氨基酸
L-异亮氨酸 L-Isoleucine (cell culture tested, ≥98.5%) 73-32-5 100G 1680.00 Sigma-I7403 氨基酸
L-异亮氨酸 L-Isoleucine (cell culture tested, ≥98.5%) 73-32-5 500G 6550.00 Sigma-I7403 氨基酸

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数据参数(Specifications)

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中文名称 L-异白氨酸;异亮氨酸;L-α-氨基-β-甲基戊酸;L-异闪白氨基酸;Α-氨基-Β-甲基戊酸;异白氨酸;L-异亮氨酸
英文名称 (2s,3s)-alpha-amino-beta-merthylvalericacid;(2s,3s)-alpha-amino-beta-methyl-n-valericacid;
CAS识别号 73-32-5
MDL识别号 MFCD00064222
EC识别号 200-798-2
Beilstein 1721792
分子式 C2H5CH(CH3)CH(NH2)CO2H
分子量 131.17
分子结构图 分子图
产品性状 白色结晶体或结晶粉末。味苦。168~170℃升华,284℃分解。水中溶解度25℃时41.2g/L,微溶于热乙醇(w/w)和热乙醚,不溶于乙醚。比旋光度[α]20D:+11.29?(c=3,水中)、+11.09?(c=3.3,0.33mol/L氢氧化钠中)、+41?(c=4.6,0.1mol/L盐酸中)。
质量标准 ≥99.5%:
外观Appearance                                               白色至类白色粉末
红外光谱鉴别Infrared spectrometry                     和对照品匹配
纯度Purity                                                         ≥99.5% (TLC)
重金属Heavy metals (as Pb)                             <20 ppm
硫酸盐灰分Sulfated ash                                   <0.1 %
比旋度Specific rotation [a]20/D                        +40°~ +42°(c=4, 6 N HCl)
水不溶性测试Insolubles in H2O                     合格
挥发分Volatile matter                                       <0.3 %
品级Grade                                                      非动物源,用于细胞培养,98.5-101.0%  
        (from non-animal source, EP, JP, USP, for cell culture, 98.5-101.0%)
来源origin                                                        must be non-animal source
外观appearance                                              white crystalline powder
红外光谱鉴别identification by IR                    consistent with structure
水溶性solubility                        clear colorless solution at 0.5g to 10ml of 1m hydrochloric acid
比旋光度Specific rotation                               +40.0 to +41.5 ° (20degc/EP,JP)
                                                                       +38.9 to +41.8 ° (25degc/USP)
                                                                       c = 4 in 6m hydrochloric acid
氯chloride                                                       ≤ 0.020%
胺ammonium                                                   ≤ 0.02%
硫酸根sulfate                                                 ≤ 0.020%
铁iron                                                             ≤ 10 ppm
重金属heavy metals                                       ≤ 10 ppm
砷arsenic                                                        ≤ 1 ppm
干燥损失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)                                                 5.5 to 7.0 (1.0% in water)
ph test (EP/JP)                                               5.5 to 6.5 (1.0% in water)
含量assay (dry basis)                                     98.5 to 101.0%
内毒素endotoxin assay                                    ≤ 1 eu/mg
细胞培养试验cell culture test                               pass

生化研究,细菌学及组织培养。
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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