ChemSpider 2D Image | 24W6S37NXU | C26H36O6

24W6S37NXU

  • Molecular FormulaC26H36O6
  • Average mass444.560 Da
  • Monoisotopic mass444.251190 Da
  • ChemSpider ID8270541
  • defined stereocentres - 7 of 7 defined stereocentres


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

(11β)-11,17-Dihydroxy-3,20-dioxopregna-1,4-dien-21-yl pivalate [ACD/IUPAC Name]
(11β)-11,17-Dihydroxy-3,20-dioxopregna-1,4-dien-21-ylpivalat [German] [ACD/IUPAC Name]
1107-99-9 [RN]
214-172-1 [EINECS]
24W6S37NXU
mecortolon
Pivalate de (11β)-11,17-dihydroxy-3,20-dioxoprégna-1,4-dién-21-yle [French] [ACD/IUPAC Name]
Prednisolone pivalate
Pregna-1,4-diene-3,20-dione, 21-(2,2-dimethyl-1-oxopropoxy)-11,17-dihydroxy-, (11β)-
Propanoic acid, 2,2-dimethyl-, (11β)-11,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl ester [ACD/Index Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

ZINC03882060 [DBID]

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

    Density: 1.2±0.1 g/cm3
    Boiling Point: 597.3±50.0 °C at 760 mmHg
    Vapour Pressure: 0.0±3.8 mmHg at 25°C
    Enthalpy of Vaporization: 102.1±6.0 kJ/mol
    Flash Point: 196.7±23.6 °C
    Index of Refraction: 1.572
    Molar Refractivity: 119.0±0.4 cm3
    #H bond acceptors: 6
    #H bond donors: 2
    #Freely Rotating Bonds: 5
    #Rule of 5 Violations: 0
    ACD/LogP: 3.81
    ACD/LogD (pH 5.5): 3.38
    ACD/BCF (pH 5.5): 219.00
    ACD/KOC (pH 5.5): 1647.76
    ACD/LogD (pH 7.4): 3.38
    ACD/BCF (pH 7.4): 219.00
    ACD/KOC (pH 7.4): 1647.74
    Polar Surface Area: 101 Å2
    Polarizability: 47.2±0.5 10-24cm3
    Surface Tension: 52.3±5.0 dyne/cm
    Molar Volume: 361.4±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) =  3.50
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  534.81  (Adapted Stein & Brown method)
        Melting Pt (deg C):  228.86  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  2.68E-014  (Modified Grain method)
        MP  (exp database):  233 deg C
        Subcooled liquid VP: 4.65E-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):  1.641
           log Kow used: 3.50 (estimated)
           no-melting pt equation used
         Water Sol (Exper. database match) =  11.6 mg/L (25 deg C)
            Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  1.4044 mg/L
        Wat Sol (Exper. database match) =  11.60
           Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
    
     ECOSAR Class Program (ECOSAR v0.99h):
        Class(es) found:
           Esters
           Vinyl/Allyl Ketones
    
     Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
       Bond Method :   6.85E-012  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  9.553E-015 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  3.50  (KowWin est)
      Log Kaw used:  -9.553  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  13.053
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   0.1467
       Biowin2 (Non-Linear Model)     :   0.0027
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   1.6235  (recalcitrant)
       Biowin4 (Primary Survey Model) :   2.9065  (weeks       )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.6188
       Biowin6 (MITI Non-Linear Model):   0.0896
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model): -2.0147
     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):  6.2E-010 Pa (4.65E-012 mm Hg)
      Log Koa (Koawin est  ): 13.053
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  4.84E+003 
           Octanol/air (Koa) model:  2.77 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  1 
           Mackay model           :  1 
           Octanol/air (Koa) model:  0.996 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant =  71.4821 E-12 cm3/molecule-sec
          Half-Life =     0.150 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     1.796 Hrs
       Ozone Reaction:
          OVERALL Ozone Rate Constant =     1.312500 E-17 cm3/molecule-sec
          Half-Life =     0.873 Days (at 7E11 mol/cm3)
          Half-Life =     20.955 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    :  41.37
          Log Koc:  1.617 
    
     Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
      Total Kb for pH > 8 at 25 deg C :  9.658E-002  L/mol-sec
      Kb Half-Life at pH 8:      83.058  days   
      Kb Half-Life at pH 7:       2.274  years  
    
     Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
       Log BCF from regression-based method = 1.998 (BCF = 99.52)
           log Kow used: 3.50 (estimated)
    
     Volatilization from Water:
        Henry LC:  6.85E-012 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River: 1.802E+008  hours   (7.509E+006 days)
        Half-Life from Model Lake : 1.966E+009  hours   (8.192E+007 days)
    
     Removal In Wastewater Treatment:
        Total removal:              13.03  percent
        Total biodegradation:        0.18  percent
        Total sludge adsorption:    12.85  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       0.0276          3.07         1000       
       Water     7.03            4.32e+003    1000       
       Soil      92.2            8.64e+003    1000       
       Sediment  0.765           3.89e+004    0          
         Persistence Time: 4.53e+003 hr
    
    
    
    
                        

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