Structural formula
Business number | 015T |
---|---|
Molecular formula | C21H26O5 |
Molecular weight | 358.43 |
label |
prednisone tablets, 17α,21-dihydroxy-1,4-pregnadiene-3,11,20-trione, Dehydroadrenocorticoid hormone, dehydrocortisone, prednisone, dehydrocortisone, 1,4-Pregnadiene-17α,21-diol-3,11,20-trione, 1-Cortisone, 17α,21-Dihydroxy-1,4-pregnadiene-3,11,20-trione, Dehydrocortisone |
Numbering system
CAS number:53-03-2
MDL number:MFCD00003608
EINECS number:200-160-3
RTECS number:TU4154100
BRN number:2065301
PubChem number:24898748
Physical property data
1. Characteristics: White or off-white crystalline powder. Odorless. Slightly persistent bitterness
2. Density ( g/mL,25/4℃): Undetermined
3. Relative steam Density (g/mL,AIR=1): Undetermined
4. Melting point ( ºC):233~235
5. Boiling point ( ºC,Normal pressure): Undetermined
6. Boiling point ( ºC, 13.33kpa):
7. Refractive Index : Undetermined
8. Flashpoint (ºC): Undetermined
9. Specific optical activity Degree (º, C=1, DIOXANE): 172
10. Spontaneous ignition point or ignition temperature (ºC): Undetermined
11. Vapor Pressure (kPa,25ºC): Undetermined
12. Number of heavy atoms: 26
8. Surface charge: 0
9. Complexity: 764
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 6
12. The number of uncertain atomic stereocenters: 0
13. Determine the number of stereocenters of chemical bonds: 0
14. Uncertain number of chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
None
Storage method
Mainly used for various acute severe bacterial infections, severe allergic diseases, collagen diseases (Lupus erythematosus, nodular periarteritis, etc.), rheumatism, rheumatoid arthritis, nephrotic syndrome, severe bronchial asthma, thrombocytopenic purpura, granulocytopenia, acute lymphoblastic leukemia, various adrenocortical functions Insufficiency, exfoliative dermatitis, pemphigus, neurodermatitis, eczema, etc.
Synthesis method
Made from cortisone as raw material.
Purpose
Mainly used for various acute severe bacterial infections, severe allergic diseases, collagen diseases (lupus erythematosus, nodular periarteritis, etc.), rheumatism, rheumatoid arthritis, nephrotic syndrome, severe bronchial asthma, platelet Reducing purpura, granulocytopenia, acute lymphoblastic leukemia, various adrenocortical insufficiencies, exfoliative dermatitis, pemphigus, neurodermatitis, eczema, etc.
ont-family: ‘Times New Roman'”>Mainly used for various acute severe bacterial infections, severe allergic diseases, collagen diseases (lupus erythematosus, nodular periarteritis, etc.), rheumatism, rheumatoid arthritis , nephrotic syndrome, severe bronchial asthma, thrombocytopenic purpura, granulocytopenia, acute lymphoblastic leukemia, various adrenocortical insufficiencies, exfoliative dermatitis, pemphigus, neurodermatitis, eczema, etc.
Synthesis method
Made from cortisone as raw material.
Purpose
Mainly used for various acute severe bacterial infections, severe allergic diseases, collagen diseases (lupus erythematosus, nodular periarteritis, etc.), rheumatism, rheumatoid arthritis, nephrotic syndrome, severe bronchial asthma, platelet Reducing purpura, granulocytopenia, acute lymphoblastic leukemia, various adrenocortical insufficiencies, exfoliative dermatitis, pemphigus, neurodermatitis, eczema, etc.