ChemSpider 2D Image | (3beta,5alpha,20S)-20-Hydroxypregnan-3-yl hydrogen sulfate | C21H36O5S

(3β,5α,20S)-20-Hydroxypregnan-3-yl hydrogen sulfate

  • Molecular FormulaC21H36O5S
  • Average mass400.573 Da
  • Monoisotopic mass400.228333 Da
  • ChemSpider ID168516

  • defined stereocentres - 9 of 9 defined stereocentres

More details:

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

(3β,5α,20S)-20-Hydroxypregnan-3-yl hydrogen sulfate [ACD/IUPAC Name]
(3β,5α,20S)-20-Hydroxypregnan-3-ylhydrogensulfat [German] [ACD/IUPAC Name]
Hydrogénosulfate de (3β,5α,20S)-20-hydroxyprégnan-3-yle [French] [ACD/IUPAC Name]
Pregnane-3,20-diol, 3-(hydrogen sulfate), (3β,5α,20S)- [ACD/Index Name]
5α-Pregnane-3β,20α-diol 3-sulfate
5α-Pregnane-3β,20α-diol 3-sulphate
65423-37-2 [RN]
P-3,20-DS
pregnane-3,20-diol 3-sulfate

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

Density: 1.2±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.560
Molar Refractivity: 104.6±0.4 cm3
#H bond acceptors: 5
#H bond donors: 2
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 1
ACD/LogP: 5.48
ACD/LogD (pH 5.5): -0.89
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -0.89
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 92 Å2
Polarizability: 41.5±0.5 10-24cm3
Surface Tension: 51.1±5.0 dyne/cm
Molar Volume: 323.7±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) =  2.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  512.49  (Adapted Stein & Brown method)
    Melting Pt (deg C):  218.43  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.07E-013  (Modified Grain method)
    Subcooled liquid VP: 2.41E-011 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):  45.36
       log Kow used: 2.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.2315e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.25E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.405E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.14  (KowWin est)
  Log Kaw used:  -9.877  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.017
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3477
   Biowin2 (Non-Linear Model)     :   0.0066
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0497  (months      )
   Biowin4 (Primary Survey Model) :   3.0924  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0196
   Biowin6 (MITI Non-Linear Model):   0.0027
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.9476
 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):  3.21E-009 Pa (2.41E-011 mm Hg)
  Log Koa (Koawin est  ): 12.017
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  934 
       Octanol/air (Koa) model:  0.255 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.953 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  38.3392 E-12 cm3/molecule-sec
      Half-Life =     0.279 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.348 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   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    :  7.483E+004
      Log Koc:  4.874 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 2.14 (estimated)

 Volatilization from Water:
    Henry LC:  3.25E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.606E+008  hours   (1.502E+007 days)
    Half-Life from Model Lake : 3.933E+009  hours   (1.639E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               2.40  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.30  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       0.15            6.7          1000       
   Water     24.1            1.44e+003    1000       
   Soil      75.6            2.88e+003    1000       
   Sediment  0.114           1.3e+004     0          
     Persistence Time: 1.41e+003 hr

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