Structural formula
| Business number | 015C |
|---|---|
| Molecular formula | C22H28O3 |
| Molecular weight | 340.46 |
| label |
norethindrone acetate, 17β-Hydroxy 9-nor-17α-pregnant-4-en-20-yn-3-one-17-acetate, 17α-Ethynyl-19-nortestosterone 17β-acetate, 17-Hydroxy-19-nor-17α-4-pregnen-20-yn-3-one acetate, 19-Norethindrone acetate, 19-Norethisterone 17-acetate, 17α-Ethynyl-17β-hydroxy-19-nor-4-androsten-3-one 17-acetate |
Numbering system
CAS number:51-98-9
MDL number:MFCD00198397
EINECS number:200-132-0
RTECS number:RC8965000
BRN number:None
PubChem number:24897767
Physical property data
1. Character:White or off-white crystalline powder
2. Density (g/mL,25/4℃): Undetermined
3. Relative vapor density (g/mL,AIR=1): Undetermined
4. Melting point (oC):202-208
5. Boiling point (oC,Normal pressure): Undetermined
6. Boiling point (oC,5.2kPa): Undetermined
7. Refractive index: undetermined
8. Flashpoint (oC): Undetermined
9. Specific optical rotation (o):Undetermined
10. Autoignition point or ignition temperature (oC): Undetermined
11. Vapor pressure (kPa,25oC): Undetermined
12. Saturated vapor pressure (kPa,60oC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined
14. Critical temperature (oC): Undetermined
15. Critical pressure (KPa): Undetermined
16. Oil and water (octanol/Log value of the partition coefficient of water) : Undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): Undetermined
19. Solubility: Undetermined
Toxicological data
None yet
Ecological data
None yet
Molecular structure data
1. Molar refractive index: 99.79
2. Molar volume (m3/mol):312
3. isotonic specific volume (90.2K):810.1
4. Surface Tension (dyne/cm):45.4
5. Dipole moment ( D):（1D=3.33×10-30C·m）
6. Polarizability（10-24cm3):39.56
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP):3.5
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 3
4. Number of rotatable chemical bonds: 3
5. Number of tautomers: 8
6. Topological molecular polar surface area (TPSA):43.4
7. Number of heavy atoms: 25
8. ?Surface charge: 0
9. Complexity: 695
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 yet
Storage method
This product should be sealed and stored in a cool, dry place.
Synthesis method
With4-Dimethylaminopyridine(DMAP) is a catalyst to react norethindrone and acetic anhydride to directly obtain norethindrone-17-acetate.
Purpose
Progesterone drugs, used for irregular menstruation; functional uterine bleeding; endometriosis, etc.
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