Structural formula:

Molecular formula:C10H11NO3 CAS:[18699-02-0]
Uses:used as antirheumatic New drug for disease decorated Packing:cardboard drum or following your demand.
Quality index:
|
Items |
Quality index |
Results |
|
Appearance |
white or off-white crystal or crystalline solid |
white crystalline solid |
|
M.P. |
171-175℃ |
174.5-175.2℃ |
|
Relative matter |
meet the standard |
meet the standard |
|
Assay |
98.5-101% |
99.87% |
|
Residue on ignition |
<0.2% |
0.050% |
|
Loss on drying |
<0.5% |
0.05% |
|
Chloride |
<0.03% |
<0.03% |
|
UV(λmax ) |
248nm |
max 247nm |
|
IR |
Complies with control atlas |
Complies |
|
Heavy metals |
≤10ppm |
meet the standard | |