¥ 280
DL-青霉胺/52-66-4
白色 至类白色 粉末，熔点: 204-208 °C
质量标准
| 外观Appearance White to off-white powder |
| 红外光谱Infrared spectrum Conforms to structure |
| 纯度Purity(neutralization titration) 97.5-102.5 % |
| 干燥失重Loss on drying ≤0.5 % |
| 重金属Heavy metals (as Pb) ≤20 ppm |
| 硫酸灰分Sulfated ash ≤0.1 % |
| 比旋光度Specific rotation [a]20/D -1° to +1°(c=5, 1 M NaOH) |
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