Product Details
| Product Name: THEOPHYLLINE ANHYDROUS | CAS No.: 58-55-9 |
| EC-No.: 200-385-7 | Min. Order: 1KG |
| Purity: 99% | Supply Ability: 13tons |
| Release date: 2021/07/09 |
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1.Product Name: Theophylline Anhydrous powder
2.CAS NO: 58-55-9
3.Application: Theophylline is used to prevent and treat wheezing, shortness of breath, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases. It relaxes and opens air passages in the lungs, making it easier to breathe.
4.Sample: With Free
5.Specification:
Name of product: THEOPHYLLINE ANHYDROUS
CAS NO.: 58-55-9
Expiry date:2 years
Items
Specifications
Characters
White crystalline powder
Identification
conform
Appearance of solution
Clear and colourless
Melting range ℃
270~274
Acidity (0.01mol/LNaOH) (ml)
≤1.0
Related substances[Ignore(<0.05)]:
Impurity A (%)
≤0.1
Impurity B (%)
≤0.1
Impurity C (%)
≤0.1
Impurity D (%)
≤0.1
Other single impurity (%)
≤0.1
Total impurities (%)
≤0.5
Heavy metals (ppm)
≤20
Loss on drying (%)
≤0.5
Residue on ignition (%)
≤0.1
Assay(on dried basis) (%)
99.0~101.0
Assay (on dried basis,HPLC) (%)
97.0~102.0
Conclusion: The product is tested in accordance with bp2011/usp34.the above items meet the requirement.
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- Since: 2019-07-05
- Address: Federation business plaza, qiaoxi district, shijiazhuang city, hebei province

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