ChemSpider 2D Image | 2?-methyl-11-oxoprogesterone | C22H30O3

2?-methyl-11-oxoprogesterone

  • Molecular FormulaC22H30O3
  • Average mass342.472 Da
  • Monoisotopic mass342.219482 Da
  • ChemSpider ID198081

  • defined stereocentres - 7 of 7 defined stereocentres

More details:

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

(2α)-2-Methylpregn-4-en-3,11,20-trion [German] [ACD/IUPAC Name]
(2α)-2-Methylpregn-4-ene-3,11,20-trione [ACD/IUPAC Name]
(2α)-2-Méthylprégn-4-ène-3,11,20-trione [French] [ACD/IUPAC Name]
2?-methyl-11-oxoprogesterone
2701-48-6 [RN]
2a-methyl-11-oxoprogesterone
2α-Methyl-11-oxoprogesterone
2α-Methyl-11-oxoprogesterone
2α-Methylpregn-4-ene-3,11,20-trione
Pregn-4-ene-3,11,20-trione, 2-methyl-, (2α)- [ACD/Index Name]
More...

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

1WDZ80D40Y [DBID]
C15301 [DBID]
NSC19607 [DBID]
UNII:1WDZ80D40Y [DBID]
UNII-1WDZ80D40Y [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 492.2±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.9±3.0 kJ/mol
Flash Point: 210.4±23.9 °C
Index of Refraction: 1.545
Molar Refractivity: 95.7±0.4 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.85
ACD/LogD (pH 5.5): 2.78
ACD/BCF (pH 5.5): 76.85
ACD/KOC (pH 5.5): 778.66
ACD/LogD (pH 7.4): 2.78
ACD/BCF (pH 7.4): 76.85
ACD/KOC (pH 7.4): 778.66
Polar Surface Area: 51 Å2
Polarizability: 37.9±0.5 10-24cm3
Surface Tension: 43.0±5.0 dyne/cm
Molar Volume: 302.6±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) =  2.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  437.16  (Adapted Stein & Brown method)
    Melting Pt (deg C):  183.24  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.99E-008  (Modified Grain method)
    Subcooled liquid VP: 2.68E-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):  31.51
       log Kow used: 2.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  59.975 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 :   3.29E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.566E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.74  (KowWin est)
  Log Kaw used:  -8.871  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.611
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2371
   Biowin2 (Non-Linear Model)     :   0.0013
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9506  (months      )
   Biowin4 (Primary Survey Model) :   2.9801  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3701
   Biowin6 (MITI Non-Linear Model):   0.0397
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.9227
 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):  0.000357 Pa (2.68E-006 mm Hg)
  Log Koa (Koawin est  ): 11.611
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0084 
       Octanol/air (Koa) model:  0.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.233 
       Mackay model           :  0.402 
       Octanol/air (Koa) model:  0.889 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 110.0094 E-12 cm3/molecule-sec
      Half-Life =     0.097 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.167 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 0.317 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.183E+004
      Log Koc:  4.339 

 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 = 1.409 (BCF = 25.64)
       log Kow used: 2.74 (estimated)

 Volatilization from Water:
    Henry LC:  3.29E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.293E+007  hours   (1.372E+006 days)
    Half-Life from Model Lake : 3.593E+008  hours   (1.497E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               4.00  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.89  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       0.000248        2.13         1000       
   Water     12.3            1.44e+003    1000       
   Soil      87.5            2.88e+003    1000       
   Sediment  0.172           1.3e+004     0          
     Persistence Time: 2.54e+003 hr

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