ChemSpider 2D Image | (11beta)-11,18,21-Trihydroxy-19-norpregn-4-ene-3,20-dione | C20H28O5

(11β)-11,18,21-Trihydroxy-19-norpregn-4-ene-3,20-dione

  • Molecular FormulaC20H28O5
  • Average mass348.433 Da
  • Monoisotopic mass348.193665 Da
  • ChemSpider ID115590

  • defined stereocentres - 7 of 7 defined stereocentres

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

(11β)-11,18,21-Trihydroxy-19-norpregn-4-en-3,20-dion [German] [ACD/IUPAC Name]
(11β)-11,18,21-Trihydroxy-19-norpregn-4-ene-3,20-dione [ACD/IUPAC Name]
(11β)-11,18,21-Trihydroxy-19-norprégn-4-ène-3,20-dione [French] [ACD/IUPAC Name]
19-Norpregn-4-ene-3,20-dione, 11,18,21-trihydroxy-, (11β)-
Estr-4-en-3-one, 11,18-dihydroxy-17-(2-hydroxyacetyl)-, (11β,17β)- [ACD/Index Name]
111594-84-4 [RN]
18-hydroxy-19-norcorticosterone
18-OH-19-NC

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.3±0.1 g/cm3
Boiling Point: 585.0±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.7 mmHg at 25°C
Enthalpy of Vaporization: 100.3±6.0 kJ/mol
Flash Point: 321.7±26.6 °C
Index of Refraction: 1.600
Molar Refractivity: 90.9±0.4 cm3
#H bond acceptors: 5
#H bond donors: 3
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -0.14
ACD/LogD (pH 5.5): 0.26
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 32.87
ACD/LogD (pH 7.4): 0.26
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 32.87
Polar Surface Area: 95 Å2
Polarizability: 36.0±0.5 10-24cm3
Surface Tension: 61.1±5.0 dyne/cm
Molar Volume: 265.6±5.0 cm3

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  513.96  (Adapted Stein & Brown method)
    Melting Pt (deg C):  219.12  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.66E-014  (Modified Grain method)
    Subcooled liquid VP: 6.69E-012 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5524
       log Kow used: 0.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  14676 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Ketones

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.02E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.698E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.07  (KowWin est)
  Log Kaw used:  -9.380  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.450
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8876
   Biowin2 (Non-Linear Model)     :   0.2288
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6520  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5355  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7798
   Biowin6 (MITI Non-Linear Model):   0.3343
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5086
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  8.92E-010 Pa (6.69E-012 mm Hg)
  Log Koa (Koawin est  ): 9.450
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.36E+003 
       Octanol/air (Koa) model:  0.000692 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.0524 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 122.3384 E-12 cm3/molecule-sec
      Half-Life =     0.087 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.049 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  29.99
      Log Koc:  1.477 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.07 (estimated)

 Volatilization from Water:
    Henry LC:  1.02E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.071E+008  hours   (4.464E+006 days)
    Half-Life from Model Lake : 1.169E+009  hours   (4.87E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0965          1.34         1000       
   Water     52.2            900          1000       
   Soil      47.6            1.8e+003     1000       
   Sediment  0.101           8.1e+003     0          
     Persistence Time: 619 hr

Click to predict properties on the Chemicalize site


Advertisement