Structural formula：
Molecular formula:C11H14N4O4 CAS： [69975-86-6]
Uses:The product is used as bronchodilator to apply to dyspnea owing to asthmatic gasps chronic bronchitis and other bronchiospasm.
Packing:pack in polythene pouch and load into cardboard tubs, or following your demand .
Quality index:
|
Items |
Specifications |
Results |
|
Appearance |
The white crystal powder |
Complies |
|
Mp. |
141-145℃ |
143-145℃ |
|
Related ubstance |
＜1.0％ |
0.05% |
|
Content |
98－102％（HPLC，external standard method） |
99.20% |
|
Residue on ignition |
＜0.1% |
0.029% |
|
Loss on drying |
＜1.0% |
0.07% |
|
Leavy metal |
＜20ppm |
meet the standard |
|
UV (λmax) |
273nm |
273nm |
|
