CAS number： 1425-61-2
Molecular formula： C21H41N7O12·H2SO4
molecular weight： 681.67
Chemical structure：
| products name |  Dihydrostreptomycin Sulphate | ||
| Shelf life | 2 years | ||
| determination | specification | Analytic results | |
| clacter | yellow, crystalline powder | conform | |
| identification | Thin-layer chromatografy results | conform | |
| PH | 4.5 to 4,7 | ||
| specifc absorbance | 290 to 310 | 305 | |
| heavy mental (ppm) | ≤50 | ＜50 | |
| water (%) | 6,0---9,0 | 7.4 | |
| conclusion | complies with PH.Eur 8,0 | ||
