ChemSpider 2D Image | 17alpha-Methyltestosterone | C20H30O2

17α-Methyltestosterone

  • Molecular FormulaC20H30O2
  • Average mass302.451 Da
  • Monoisotopic mass302.224579 Da
  • ChemSpider ID5788
  • defined stereocentres - 6 of 6 defined stereocentres


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

17α-Methyltestosterone
(17β)-17-Hydroxy-17-methylandrost-4-en-3-on [German] [ACD/IUPAC Name]
(17β)-17-Hydroxy-17-methylandrost-4-en-3-one [ACD/IUPAC Name]
(17β)-17-Hydroxy-17-méthylandrost-4-én-3-one [French] [ACD/IUPAC Name]
(8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13,17-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-on
(8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13,17-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
(8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13,17-triméthyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tétradécahydro-3H-cyclopenta[a]phénanthrén-3-one
17a-Methyl-D4-androsten-17b-ol-3-one
17-Methyltestosteron
17α-Methyl-3-oxo-4-androsten-17β-ol
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

46444_RIEDEL [DBID]
69240_FLUKA [DBID]
69241_FLUKA [DBID]
BRN 2057425 [DBID]
C07198 [DBID]
CCRIS 3723 [DBID]
CDB 110 [DBID]
D00408 [DBID]
HSDB 3365 [DBID]
M7252_SIGMA [DBID]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.1±0.1 g/cm3
Boiling Point: 434.4±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.4 mmHg at 25°C
Enthalpy of Vaporization: 79.7±6.0 kJ/mol
Flash Point: 185.3±21.3 °C
Index of Refraction: 1.556
Molar Refractivity: 87.8±0.4 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 4.02
ACD/LogD (pH 5.5): 3.53
ACD/BCF (pH 5.5): 281.86
ACD/KOC (pH 5.5): 1973.96
ACD/LogD (pH 7.4): 3.53
ACD/BCF (pH 7.4): 281.86
ACD/KOC (pH 7.4): 1973.96
Polar Surface Area: 37 Å2
Polarizability: 34.8±0.5 10-24cm3
Surface Tension: 43.7±5.0 dyne/cm
Molar Volume: 273.0±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) =  3.72
    Log Kow (Exper. database match) =  3.36
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  390.08  (Adapted Stein & Brown method)
    Melting Pt (deg C):  151.62  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.38E-008  (Modified Grain method)
    MP  (exp database):  163 deg C
    Subcooled liquid VP: 3.61E-007 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):  51.92
       log Kow used: 3.36 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  33.9 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  22.449 mg/L
    Wat Sol (Exper. database match) =  33.90
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Ketones

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.68E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.058E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.36  (exp database)
  Log Kaw used:  -6.718  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.078
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.0586
   Biowin2 (Non-Linear Model)     :   0.0010
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8719  (months      )
   Biowin4 (Primary Survey Model) :   2.9288  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3355
   Biowin6 (MITI Non-Linear Model):   0.0701
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7125
 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):  4.81E-005 Pa (3.61E-007 mm Hg)
  Log Koa (Koawin est  ): 10.078
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0623 
       Octanol/air (Koa) model:  0.00294 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.692 
       Mackay model           :  0.833 
       Octanol/air (Koa) model:  0.19 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 103.1602 E-12 cm3/molecule-sec
      Half-Life =     0.104 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.244 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): 0.763 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2097
      Log Koc:  3.322 

 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 = 1.887 (BCF = 77.13)
       log Kow used: 3.36 (expkow database)

 Volatilization from Water:
    Henry LC:  4.68E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.176E+005  hours   (9066 days)
    Half-Life from Model Lake : 2.374E+006  hours   (9.89E+004 days)

 Removal In Wastewater Treatment:
    Total removal:              10.22  percent
    Total biodegradation:        0.16  percent
    Total sludge adsorption:    10.06  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       0.0378          2.26         1000       
   Water     12.5            1.44e+003    1000       
   Soil      86.7            2.88e+003    1000       
   Sediment  0.759           1.3e+004     0          
     Persistence Time: 1.94e+003 hr




                    

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