ChemSpider 2D Image | (11beta)-11,17,21-Trihydroxypregna-1,4,6-triene-3,20-dione | C21H26O5

(11β)-11,17,21-Trihydroxypregna-1,4,6-triene-3,20-dione

  • Molecular FormulaC21H26O5
  • Average mass358.428 Da
  • Monoisotopic mass358.178009 Da
  • ChemSpider ID195031
  • defined stereocentres - 7 of 7 defined stereocentres


More details:






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

(11β)-11,17,21-Trihydroxypregna-1,4,6-trien-3,20-dion [German] [ACD/IUPAC Name]
(11β)-11,17,21-Trihydroxypregna-1,4,6-triene-3,20-dione [ACD/IUPAC Name]
(11β)-11,17,21-Trihydroxyprégna-1,4,6-triène-3,20-dione [French] [ACD/IUPAC Name]
Pregna-1,4,6-triene-3,20-dione, 11,17,21-trihydroxy-, (11β)- [ACD/Index Name]
(11|A)-11,17,21-trihydroxypregna-1,4,6-triene-3,20-dione
(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-3-one
2427-64-7 [RN]
6,7-Dehydro Prednisolone
6-DEHYDRO PREDNISOLONE

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

NSC12882 [DBID]

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

    Density: 1.3±0.1 g/cm3
    Boiling Point: 590.8±50.0 °C at 760 mmHg
    Vapour Pressure: 0.0±3.8 mmHg at 25°C
    Enthalpy of Vaporization: 101.2±6.0 kJ/mol
    Flash Point: 325.1±26.6 °C
    Index of Refraction: 1.630
    Molar Refractivity: 95.4±0.4 cm3
    #H bond acceptors: 5
    #H bond donors: 3
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: 1.08
    ACD/LogD (pH 5.5): 0.97
    ACD/BCF (pH 5.5): 3.20
    ACD/KOC (pH 5.5): 80.02
    ACD/LogD (pH 7.4): 0.97
    ACD/BCF (pH 7.4): 3.20
    ACD/KOC (pH 7.4): 80.02
    Polar Surface Area: 95 Å2
    Polarizability: 37.8±0.5 10-24cm3
    Surface Tension: 62.8±5.0 dyne/cm
    Molar Volume: 268.0±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) =  1.19
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  507.19  (Adapted Stein & Brown method)
        Melting Pt (deg C):  215.96  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  1.03E-013  (Modified Grain method)
        Subcooled liquid VP: 1.12E-011 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):  535.8
           log Kow used: 1.19 (estimated)
           no-melting pt equation used
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  243.53 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 :   1.94E-008  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  9.066E-017 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  1.19  (KowWin est)
      Log Kaw used:  -6.101  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  7.291
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   0.3562
       Biowin2 (Non-Linear Model)     :   0.0027
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   2.0457  (months      )
       Biowin4 (Primary Survey Model) :   3.0847  (weeks       )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.5965
       Biowin6 (MITI Non-Linear Model):   0.1046
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model): -1.3879
     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):  1.49E-009 Pa (1.12E-011 mm Hg)
      Log Koa (Koawin est  ): 7.291
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  2.01E+003 
           Octanol/air (Koa) model:  4.8E-006 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  1 
           Mackay model           :  1 
           Octanol/air (Koa) model:  0.000384 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant = 105.2993 E-12 cm3/molecule-sec
          Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     1.219 Hrs
       Ozone Reaction:
          OVERALL Ozone Rate Constant =     5.440000 E-17 cm3/molecule-sec
          Half-Life =     0.211 Days (at 7E11 mol/cm3)
          Half-Life =      5.056 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    :  36.36
          Log Koc:  1.561 
    
     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 = 0.212 (BCF = 1.631)
           log Kow used: 1.19 (estimated)
    
     Volatilization from Water:
        Henry LC:  1.94E-008 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River: 5.714E+004  hours   (2381 days)
        Half-Life from Model Lake : 6.235E+005  hours   (2.598E+004 days)
    
     Removal In Wastewater Treatment:
        Total removal:               1.91  percent
        Total biodegradation:        0.09  percent
        Total sludge adsorption:     1.82  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       0.0921          1.65         1000       
       Water     47.3            1.44e+003    1000       
       Soil      52.5            2.88e+003    1000       
       Sediment  0.106           1.3e+004     0          
         Persistence Time: 817 hr
    
    
    
    
                        

    Click to predict properties on the Chemicalize site






    Advertisement