ChemSpider 2D Image | (9xi,14xi)-Stigmast-5-en-3-one | C29H48O

(9ξ,14ξ)-Stigmast-5-en-3-one

  • Molecular FormulaC29H48O
  • Average mass412.691 Da
  • Monoisotopic mass412.370514 Da
  • ChemSpider ID17466557

  • defined stereocentres - 6 of 8 defined stereocentres

More details:

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

(9ξ,14ξ)-Stigmast-5-en-3-on [German] [ACD/IUPAC Name]
(9ξ,14ξ)-Stigmast-5-en-3-one [ACD/IUPAC Name]
(9ξ,14ξ)-Stigmast-5-én-3-one [French] [ACD/IUPAC Name]
Stigmast-5-en-3-one, (9ξ,14ξ)- [ACD/Index Name]
(8S,10R,13R,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one

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

    Density: 1.0±0.1 g/cm3
    Boiling Point: 498.7±14.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.3 mmHg at 25°C
    Enthalpy of Vaporization: 76.7±3.0 kJ/mol
    Flash Point: 208.1±15.1 °C
    Index of Refraction: 1.516
    Molar Refractivity: 127.8±0.4 cm3
    #H bond acceptors: 1
    #H bond donors: 0
    #Freely Rotating Bonds: 6
    #Rule of 5 Violations: 1
    ACD/LogP: 10.31
    ACD/LogD (pH 5.5): 8.85
    ACD/BCF (pH 5.5): 1000000.00
    ACD/KOC (pH 5.5): 1557011.25
    ACD/LogD (pH 7.4): 8.85
    ACD/BCF (pH 7.4): 1000000.00
    ACD/KOC (pH 7.4): 1557011.25
    Polar Surface Area: 17 Å2
    Polarizability: 50.7±0.5 10-24cm3
    Surface Tension: 36.6±5.0 dyne/cm
    Molar Volume: 423.3±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) =  9.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  445.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  171.79  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.2E-008  (Modified Grain method)
    Subcooled liquid VP: 1.72E-006 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):  4.028e-005
       log Kow used: 9.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.00052438 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 :   3.08E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.010E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.14  (KowWin est)
  Log Kaw used:  -0.900  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.040
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1900
   Biowin2 (Non-Linear Model)     :   0.0012
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8404  (months      )
   Biowin4 (Primary Survey Model) :   2.9232  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0502
   Biowin6 (MITI Non-Linear Model):   0.0052
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.9971
 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):  0.000229 Pa (1.72E-006 mm Hg)
  Log Koa (Koawin est  ): 10.040
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0131 
       Octanol/air (Koa) model:  0.00269 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.321 
       Mackay model           :  0.511 
       Octanol/air (Koa) model:  0.177 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 124.4771 E-12 cm3/molecule-sec
      Half-Life =     0.086 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.031 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): 0.416 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  8.459E+006
      Log Koc:  6.927 

 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 = 1.884 (BCF = 76.53)
       log Kow used: 9.14 (estimated)

 Volatilization from Water:
    Henry LC:  0.00308 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      2.459  hours
    Half-Life from Model Lake :      197.2  hours   (8.215 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  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       0.013           1.33         1000       
   Water     1.39            1.44e+003    1000       
   Soil      30              2.88e+003    1000       
   Sediment  68.6            1.3e+004     0          
     Persistence Time: 4.71e+003 hr

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