Name | Specifications | Packing | Price | Delivery |
L-Aspartic acid | 用于细胞或植物细胞培养, ≥99% (T) | 100g | RMB 198 | 现货 |
L-Aspartic acid | 用于细胞或植物细胞培养, ≥99% (T) | 500g | RMB 858 | 现货 |
L-Aspartic acid | 99% | 25g | RMB 26.4 | 促销 |
L-Aspartic acid | 99% | 100g | RMB 52.8 | 促销 |
L-Aspartic acid | 99% | 500g | RMB 184.8 | 促销 |
L-Aspartic acid | 99% | 2.5kg | RMB 935 | 现货 |
外观Appearance 白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >99.0% (NT)
干燥损失Loss on drying <0.5 % (105°C, 3 小时)
比旋光度Specific rotation [a]20/D +24.0 ~ +26 °(c=8, 6 N HCl)
重金属Heavy metals (as Pb) <10 ppm
optical purity ee: 98% (GLC)
硫酸盐灰分Sulfated ash <0.1 %
其它氨基酸Other amino acids <0.2 % (TLC)
氯根Cl < 100 ppm
硫酸根SO4 < 100 ppm
铁Fe < 10 ppm
铵根NH4 < 100 ppm
品级Grade 细胞培养和昆虫植物细胞培养级
(for cell culture and insect cell culture )
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.0% (T)
盐酸溶解试验solubility in HCL 50 mg/ml in 0.5 M 盐酸,clear
细胞培养测试Cell culture test pass
昆虫细胞培养测试Insect cell culture test pass
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