structural formula
| business number | 01e5 |
|---|---|
| molecular formula | c23h32o6 |
| molecular weight | 404.5 |
| label |
3β,5,14-trihydroxy-19-oxo-5β, 20(22)-cardenolide, cymarigenen, k-strophanthidin, cymarige-nen, corchorin, cynotoxin, corchogenin, corchsularin |
numbering system
cas number:66-28-4
mdl number:mfcd00046266
einecs number:200-626-6
rtecs number:fh5425000
brn number:none
pubchem number:24899714
physical property data
1. characteristics: orthogonal flake crystal.
2. density ( g/ml,25/4℃): unsure
3. relative vapor density (g/ml,air=1 ): unsure
4. melting point (ºc): 171-175 (foaming)
5. boiling point (ºc,normal pressure): unsure
6. boiling point (ºc, 5.2kpa): unsure
7. refractive index:not sure
8. flash point (ºc): unsure
9. specific optical rotation (º): unsure
10. autoignition point or ignition temperature (ºc): unsure
11. vapor pressure (kpa,25ºc): unsure
12. saturated vapor pressure (kpa,60ºc): unsure
2. molar volume (m3 /mol):282.3
3. isotonic specific volume (90.2k):850.2
4. surface tension (dyne/cm):82.1
5. polarizability（10-24cm3): 42.05
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
2. number of hydrogen bond donors: 3
3. number of hydrogen bond acceptors: 6
4. number of rotatable chemical bonds: 2
5. number of tautomers: none
6. topological molecule polar surface area 104
7. number of heavy atoms: 29
8. surface charge: 0
9. complexity: 777
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 8
12. uncertain number of atomic stereocenters: 0
13. determine the number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
none yet
storage method
this product should be sealed in0store in a dry place below ℃ and away from light.
synthesis method
none yet
purpose
biochemical research.
nt-kerning: 0pt”>0save in a dry place below ℃ and away from light.
synthesis method
none yet
purpose
biochemical research.
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