
structural formula
| business number | 03yx |
|---|---|
| molecular formula | c21h30o4 |
| molecular weight | 346.46 |
| label |
adrenergic corticosterone, 11-deoxypisterol, 17α,21-dihydroxy-4-pregnene-3,20-dione, 4-pregnene-17α,21-diol-3,20-dione, 11-deoxy-17-hydroxycorticosterone, 11-deoxycortisol, 17α,21-dihydroxy-4-pregnene-3,20-dione, 17α-hydroxycortexone, 17,21-dihydroxy-4-pregnene-3,20-dione, 4-pregnene-17α,21-diol-3,20-dione |
numbering system
cas number:152-58-9
mdl number:mfcd00003662
einecs number:205-805-2
rtecs number:tu5011500
brn number:none
pubchem number:24278671
physical property data
1. physical property data:
1. melting point (ºc): 205-208ºc
2. characteristics:plate shape and glossy of crystallization.
3 . solubility:soluble in acetone, methanol and ethanol, very slightly soluble in water and ether.
toxicological data
2. toxicological data:
1, acute toxicity: mouse intravenous ld50: 100 mg/kg
ecological data
3. ecological data:
usually for water is not hazardous and materials should not be discharged into the surrounding environment without government permission.
molecular structure data
5. molecular property data:
1. molar refractive index:94.05
2. molar volume (m3/ mol):283.4
3. isotonic specific volume (90.2k): 764.2
4. surface tension (dyne/cm): 52.8
5. polarizability(10-24cm3):37.28
compute chemical data
4. calculated chemical data:
1. hydrophobic parameters calculate reference value (xlogp):2.5
2. hydrogen bonding number of donors: 2
3. number of hydrogen bond acceptors: 4
4. rotatable number of chemical bonds: 2
5. topological molecules polar surface area (tpsa):74.6
6. heavy atoms quantity: 25
7. surface charge :0
8. complexity :652
9. isotope atomic number:0
10. determine the number of atomic stereocenters:6
11. uncertain number of atomic stereocenters:0
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
none
storage method
should be kept sealed.
synthesis method
can be separated from adrenal gland extract, or can be prepared from bile acids, yam saponins, etc. .
purpose
for biochemical research.
st: l0 level1 lfo1; tab-stops: list 36.0pt” align=left>9. isotope atomic number:0
10. determine the number of atomic stereocenters:6
11. uncertain number of atomic stereocenters:0
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
none
storage method
should be kept sealed.
synthesis method
can be separated from adrenal gland extract, or can be prepared from bile acids, yam saponins, etc. .
purpose
for biochemical research.
color: black; letter-spacing: 0.4pt; mso-hansi-font-family: 宋体”>
purpose
for biochemical research.

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