ChemSpider 2D Image | Calcifediol | C27H44O2


  • Molecular FormulaC27H44O2
  • Average mass400.637 Da
  • Monoisotopic mass400.334137 Da
  • ChemSpider ID4446820
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 5 of 5 defined stereocentres

More details:

Featured data source

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

(3S,5Z,7E,20R)-9,10-Secocholesta-5,7,10-trien-3,25-diol [German] [ACD/IUPAC Name]
(3S,5Z,7E,20R)-9,10-Secocholesta-5,7,10-triene-3,25-diol [ACD/IUPAC Name]
(3S,5Z,7E,20R)-9,10-Sécocholesta-5,7,10-triène-3,25-diol [French] [ACD/IUPAC Name]
19356-17-3 [RN]
1H-indene-1-pentanol, octahydro-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylenecyclohexylidene]ethylidene]-a,a,e,7a-tetramethyl-, (eR,1R,3aS,4E,7aR)-
1H-indene-1-pentanol, octahydro-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylenecyclohexylidene]ethylidene]-α,α,ε,7a-tetramethyl-, (1R,3aS,4E,7aR)-
1H-Indene-1-pentanol, octahydro-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylenecyclohexylidene]ethylidene]-α,α,ε,7a-tetramethyl-, (εR,1R,3aS,4E,7aR)- [ACD/Index Name]
242-990-9 [EINECS]

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

17938_FLUKA [DBID]
AIDS001782 [DBID]
AIDS-001782 [DBID]
C01561 [DBID]
CHEBI:17933 [DBID]
LMST03020246 [DBID]

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

Density: 1.0±0.1 g/cm3
Boiling Point: 529.2±33.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.2 mmHg at 25°C
Enthalpy of Vaporization: 92.5±6.0 kJ/mol
Flash Point: 221.4±20.0 °C
Index of Refraction: 1.536
Molar Refractivity: 122.8±0.4 cm3
#H bond acceptors: 2
#H bond donors: 2
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 1
ACD/LogP: 7.53
ACD/LogD (pH 5.5): 7.00
ACD/BCF (pH 5.5): 122535.14
ACD/KOC (pH 5.5): 152670.42
ACD/LogD (pH 7.4): 7.00
ACD/BCF (pH 7.4): 122535.14
ACD/KOC (pH 7.4): 152670.42
Polar Surface Area: 40 Å2
Polarizability: 48.7±0.5 10-24cm3
Surface Tension: 40.6±5.0 dyne/cm
Molar Volume: 394.0±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) =  9.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  474.08  (Adapted Stein & Brown method)
    Melting Pt (deg C):  193.86  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.66E-012  (Modified Grain method)
    Subcooled liquid VP: 3.96E-010 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):  4.724e-005
       log Kow used: 9.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0087289 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.40E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.432E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.14  (KowWin est)
  Log Kaw used:  -3.464  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.604
      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):   2.0495  (months      )
   Biowin4 (Primary Survey Model) :   3.0923  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1357
   Biowin6 (MITI Non-Linear Model):   0.0127
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.2416
 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):  5.28E-008 Pa (3.96E-010 mm Hg)
  Log Koa (Koawin est  ): 12.604
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  56.8 
       Octanol/air (Koa) model:  0.986 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.987 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 300.4206 E-12 cm3/molecule-sec
      Half-Life =     0.036 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    25.634 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    :  6.54E+004
      Log Koc:  4.816 

 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 = 1.875 (BCF = 74.95)
       log Kow used: 9.14 (estimated)

 Volatilization from Water:
    Henry LC:  8.4E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      141.6  hours   (5.898 days)
    Half-Life from Model Lake :       1712  hours   (71.34 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  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       0.0011          0.108        1000       
   Water     1.39            1.44e+003    1000       
   Soil      29.7            2.88e+003    1000       
   Sediment  68.9            1.3e+004     0          
     Persistence Time: 4.68e+003 hr


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