| Item | Specifications | Results |
| Appearance | White to pale yellowish white crystals or crystalline powder | White crystalline powder |
| Identification | IR | Conforms |
| Melting Range | 92-95℃ | 93-94℃ |
| Loss on drying | NMT 0.5% | 0.11% |
| Residue on ignition | NMT 0.1% | 0.05% |
| Chromatographic
Impurity (TLC) |
Impurity spot is less intensity then RS | Conforms |
| Assay (Titration) | 98 % ~ 102% | 99.5% |
| Storage Condition: | Store at a temperature not exceeding 20℃, in a light resistant tightly closed container. | |
| Conclusion | The product complies with USP37. | |
H1 antihistamine (nonsedating); leucotriene synthesis blocker
Packaging:1kg/drum 5kg/drum, 10kg/drum,25kg/drum
Shipping:It can be according to the customer’s request
Storage at normal temperature