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Search term: C24H36O4 (Found by synonym)

ChemSpider 2D Image | (3alpha,9xi,14xi,16alpha)-17-Hydroxy-16-methyl-20-oxopregn-5-en-3-yl acetate | C24H36O4

(3α,9ξ,14ξ,16α)-17-Hydroxy-16-methyl-20-oxopregn-5-en-3-yl acetate

  • Molecular FormulaC24H36O4
  • Average mass388.540 Da
  • Monoisotopic mass388.261353 Da
  • ChemSpider ID17466924
  • defined stereocentres - 6 of 8 defined stereocentres


More details:






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

(3α,9ξ,14ξ,16α)-17-Hydroxy-16-methyl-20-oxopregn-5-en-3-yl acetate [ACD/IUPAC Name]
(3α,9ξ,14ξ,16α)-17-Hydroxy-16-methyl-20-oxopregn-5-en-3-yl-acetat [German] [ACD/IUPAC Name]
Acétate de (3α,9ξ,14ξ,16α)-17-hydroxy-16-méthyl-20-oxoprégn-5-én-3-yle [French] [ACD/IUPAC Name]
Pregn-5-en-20-one, 3-(acetyloxy)-17-hydroxy-16-methyl-, (3α,9ξ,14ξ,16α)- [ACD/Index Name]
(3R,8R,10R,13S,16R,17R)-17-acetyl-17-hydroxy-10,13,16-trimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate
C24H36O4

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

Density: 1.1±0.1 g/cm3
Boiling Point: 491.7±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.8 mmHg at 25°C
Enthalpy of Vaporization: 87.4±6.0 kJ/mol
Flash Point: 160.1±22.2 °C
Index of Refraction: 1.545
Molar Refractivity: 108.1±0.4 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 4.72
ACD/LogD (pH 5.5): 4.66
ACD/BCF (pH 5.5): 2048.17
ACD/KOC (pH 5.5): 8163.43
ACD/LogD (pH 7.4): 4.66
ACD/BCF (pH 7.4): 2048.17
ACD/KOC (pH 7.4): 8163.41
Polar Surface Area: 64 Å2
Polarizability: 42.9±0.5 10-24cm3
Surface Tension: 44.6±5.0 dyne/cm
Molar Volume: 341.9±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) =  4.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  445.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  187.32  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.62E-010  (Modified Grain method)
    Subcooled liquid VP: 8.09E-009 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):  1.07
       log Kow used: 4.73 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.0814 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.57E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.740E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.73  (KowWin est)
  Log Kaw used:  -5.193  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.923
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1918
   Biowin2 (Non-Linear Model)     :   0.0171
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8219  (months      )
   Biowin4 (Primary Survey Model) :   3.0336  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4291
   Biowin6 (MITI Non-Linear Model):   0.0439
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.5009
 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):  1.08E-006 Pa (8.09E-009 mm Hg)
  Log Koa (Koawin est  ): 9.923
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.78 
       Octanol/air (Koa) model:  0.00206 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.99 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  0.141 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 116.7228 E-12 cm3/molecule-sec
      Half-Life =     0.092 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.100 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): 0.993 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3014
      Log Koc:  3.479 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.266E-002  L/mol-sec
  Kb Half-Life at pH 8:     128.021  days   
  Kb Half-Life at pH 7:       3.505  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.940 (BCF = 871.6)
       log Kow used: 4.73 (estimated)

 Volatilization from Water:
    Henry LC:  1.57E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       7353  hours   (306.4 days)
    Half-Life from Model Lake : 8.038E+004  hours   (3349 days)

 Removal In Wastewater Treatment:
    Total removal:              67.35  percent
    Total biodegradation:        0.61  percent
    Total sludge adsorption:    66.74  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       0.0307          1.38         1000       
   Water     10.4            1.44e+003    1000       
   Soil      72.1            2.88e+003    1000       
   Sediment  17.4            1.3e+004     0          
     Persistence Time: 2.01e+003 hr




                    

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