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 Products
Methylprednisolone |
Name:
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Methylprednisolone |
CAS#: |
83-43-2 |
Molecular formula : |
C 22 H 30 O 5 |
Molecular weight : |
374.471 |
Structural formula: |
 |
Quality standard: |
USP28/EP5
| ITEM |
SPECIFICATION |
RESULTS |
| Description |
A.White.or.almost.white crystalline powder |
White powder |
| Identification |
A:IR B:UV C:Color reaction |
conform |
| Melting point |
About240°C |
241.0°C¡«243.0°C |
| Optical Rotation |
+79.0°¡«+86.0° |
+82.5° |
| Residue on ignition |
0.2% |
conform |
| Total related substances |
2%max |
1.21% |
| Each related substances |
0.5%max |
0.35% |
| Heavy Metals |
20ppm max |
10ppm |
| Residue solvents |
Dichloromethane.Max.600ppm Ethyl.acetate Max5000ppm2500ppm Methanol Max3000ppm |
conform |
| Loss on drying |
1.0% |
0.3% |
| Assay(HPLC) |
97.0%~103.0% |
100.4% |
| Micron |
micronized |
conform |
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Packing: |
0.5kg/can 2 cans/box |
Label: |
White-labelling or following your demand |
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