ChemSpider 2D Image | 24R,25-dihydroxycholecalciferol | C27H44O3


  • Molecular FormulaC27H44O3
  • Average mass416.637 Da
  • Monoisotopic mass416.329041 Da
  • ChemSpider ID4939193
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 5 of 6 defined stereocentres

More details:

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

(3S,5Z,7E)-9,10-Secocholesta-5,7,10-trien-3,24,25-triol [German] [ACD/IUPAC Name]
(3S,5Z,7E)-9,10-Secocholesta-5,7,10-triene-3,24,25-triol [ACD/IUPAC Name]
(3S,5Z,7E)-9,10-Sécocholesta-5,7,10-triène-3,24,25-triol [French] [ACD/IUPAC Name]
2,3-Heptanediol, 2-methyl-6-[(1R,3aS,4E,7aR)-octahydro-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylenecyclohexylidene]ethylidene]-7a-methyl-1H-inden-1-yl]-, (6R)- [ACD/Index Name]
9,10-Secocholesta-5,7,10(19)-triene-3,24,25-triol, (3β,5Z,7E)-
9,10-Secocholesta-5,7,10(19)-triene-3,24,25-triol, (3β,5Z,7E)-
24, 25-dihydroxy vitamin D36-{4-[2-(5-Hydroxy-2-methylene-cyclohexylidene)-ethylidene]-7a-methyl-octahydro-inden-1-yl}-2-methyl-heptane-2,3-diol

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

Density: 1.1±0.1 g/cm3
Boiling Point: 571.1±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.6 mmHg at 25°C
Enthalpy of Vaporization: 98.4±6.0 kJ/mol
Flash Point: 241.5±20.5 °C
Index of Refraction: 1.547
Molar Refractivity: 124.4±0.4 cm3
#H bond acceptors: 3
#H bond donors: 3
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 1
ACD/LogP: 5.85
ACD/LogD (pH 5.5): 5.47
ACD/BCF (pH 5.5): 8528.24
ACD/KOC (pH 5.5): 22662.06
ACD/LogD (pH 7.4): 5.47
ACD/BCF (pH 7.4): 8528.24
ACD/KOC (pH 7.4): 22662.06
Polar Surface Area: 61 Å2
Polarizability: 49.3±0.5 10-24cm3
Surface Tension: 44.1±5.0 dyne/cm
Molar Volume: 391.9±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) =  7.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  506.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  215.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.07E-013  (Modified Grain method)
    Subcooled liquid VP: 1.16E-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):  0.0007737
       log Kow used: 7.60 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.36957 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.07E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.582E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.60  (KowWin est)
  Log Kaw used:  -4.901  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.501
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4988
   Biowin2 (Non-Linear Model)     :   0.0160
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1741  (months      )
   Biowin4 (Primary Survey Model) :   3.1986  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1492
   Biowin6 (MITI Non-Linear Model):   0.0129
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.3007
 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):  1.55E-009 Pa (1.16E-011 mm Hg)
  Log Koa (Koawin est  ): 12.501
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.94E+003 
       Octanol/air (Koa) model:  0.778 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.984 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 327.9315 E-12 cm3/molecule-sec
      Half-Life =     0.033 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.484 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =   223.583740 E-17 cm3/molecule-sec
      Half-Life =     0.005 Days (at 7E11 mol/cm3)
      Half-Life =      7.381 Min
   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    :  1.095E+005
      Log Koc:  5.039 

 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 = 3.982 (BCF = 9599)
       log Kow used: 7.60 (estimated)

 Volatilization from Water:
    Henry LC:  3.07E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       3895  hours   (162.3 days)
    Half-Life from Model Lake : 4.266E+004  hours   (1778 days)

 Removal In Wastewater Treatment:
    Total removal:              93.99  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.21  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       0.00109         0.106        1000       
   Water     1.44            1.44e+003    1000       
   Soil      29.9            2.88e+003    1000       
   Sediment  68.6            1.3e+004     0          
     Persistence Time: 4.65e+003 hr


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