- Organic Salt[9]
- Organic Acid[5]
- Nitrogen Fertilizer[9]
- Flavour & Fragrance[5]
- Oxide[2]
- Polymer[3]
- Carbonate[5]
- Other Inorganic Salts[3]
- Sulphate[4]
- Food Additives[6]
- Chemical Auxiliary Agent[6]
- Concrete Admixtures & Mortar Admixtures[1]
- Pigment[8]
- Organic Intermediate[1]
- Paraffin[4]
- Bitumen[1]
- Chloride[1]
- Lubricant[3]
- Alcohol & Hydroxybenzene & Ether[5]
- Zinc[1]
- Aluminum Ingots[6]
- Tin Ingots[1]
- Pharmaceutical[3]
- Halide ( Except Chloride )[2]
- Inorganic Acids[1]
- Feed Additives[3]
- Other Fertilizers[2]
- LDPE[5]
- HDPE[4]
- PET[1]
- Phosphate[1]
- Other Household Chemicals[2]
- Daily Chemicals[1]
- Soap[1]
- Detergent[1]
- EPS[1]
- LLDPE[1]
- PVC[1]
- Contact Person : Mr. Xu Jack
- Company Name : Hebei Eminent Chemical Technology Co., Ltd.
- Tel : 86-311-80872088
- Fax : 86-311-80872099
- Address : Hebei,Shijiazhuang,No.50 Zhaiying Street, Shijiazhuang City, Hebei
- Country/Region : China
betamethasone
HOT
Product Name:Betamethasone CAS No.:378-44-9 Molecular Formula:C22H29FO5 Molecular Weight:392.46 Melting Point:236-244
Product Name:Betamethasone
CAS No.:378-44-9
Molecular Formula:C22H29FO5
Molecular Weight:392.46
Chemical Structure:<img src="http://i00.i.aliimg.com/img/pb/503/191/364/364191503_433.jpg" alt="Betamethasone" width="140" height="88">
Discription:White crystalline powder
Melting Point:236-244°C
Specific Rotation:+118 and +126
tems Standard Results |
Description white or almost white white powder |
Identification (IR,TLC) complies with the Standard Complies |
Specific Rotation +75°~+82° +76.8° |
Melting point about 192°C 192.0~194.0°C |
Loss on drying max. 0.5% 0.08% |
Residue on ignition max. 0.2% 0.06% |
Chromatographic purity |
(HPLC) |
- any individual impurity max. 1.0% 0.68% |
- total impurities max. 2.0% 1.0% |
Assay(HPLC,basis on drying) 97.0%~103.0% 98.6% |
Particle size 100% < 20microns complies |
90% < 10microns complies |
Packaging and storage: Preserve in tight, light-resistant containers. |
Conclusion: The test product complies with the requirements of USP31 |
betamethasone