ChemSpider 2D Image | Esclentic acid | C30H48O5

Esclentic acid

  • Molecular FormulaC30H48O5
  • Average mass488.699 Da
  • Monoisotopic mass488.350189 Da
  • ChemSpider ID8074418

  • defined stereocentres - 12 of 12 defined stereocentres

More details:

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

(2α,3α)-2,3,23-Trihydroxyurs-12-en-28-oic acid [ACD/IUPAC Name]
(2α,3α)-2,3,23-Trihydroxyurs-12-en-28-säure [German] [ACD/IUPAC Name]
103974-74-9 [RN]
2α,3α,23-trihydroxyurs-12-en-28-oic acid
Acide (2α,3α)-2,3,23-trihydroxyurs-12-én-28-oïque [French] [ACD/IUPAC Name]
Esclentic acid
Esculentic acid
Urs-12-en-28-oic acid, 2,3,23-trihydroxy-, (2α,3α)- [ACD/Index Name]
[103974-74-9] [RN]
2??,3??,23-trihydroxyurs-12-en-28-oic acid
More...
  • Miscellaneous

    • Chemical Class:

      A pentacyclic triterpenoid that is urs-12-ene substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23 (the 2<stereo>alpha</stereo>,3<stereo>alpha</stereo> stereoisome r). It has been isolated from <ital>Juglans sinensis</ital>. ChEBI CHEBI:67950
      A pentacyclic triterpenoid that is urs-12-ene substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23 (the 2alpha,3alpha stereoisome; r). It has been isolated from Ju glans sinensis. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:67950
      A pentacyclic triterpenoid that is urs-12-ene substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23 (the 2alpha,3alpha stereoisomer). It has been isolated from Jugl ans sinensis. ChEBI CHEBI:67950

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

Density: 1.2±0.1 g/cm3
Boiling Point: 609.4±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±4.0 mmHg at 25°C
Enthalpy of Vaporization: 103.8±6.0 kJ/mol
Flash Point: 336.4±28.0 °C
Index of Refraction: 1.579
Molar Refractivity: 136.6±0.4 cm3
#H bond acceptors: 5
#H bond donors: 4
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: 6.46
ACD/LogD (pH 5.5): 5.33
ACD/BCF (pH 5.5): 4052.42
ACD/KOC (pH 5.5): 7387.77
ACD/LogD (pH 7.4): 3.53
ACD/BCF (pH 7.4): 63.90
ACD/KOC (pH 7.4): 116.49
Polar Surface Area: 98 Å2
Polarizability: 54.1±0.5 10-24cm3
Surface Tension: 53.0±5.0 dyne/cm
Molar Volume: 410.8±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) =  5.32

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  607.84  (Adapted Stein & Brown method)
    Melting Pt (deg C):  262.97  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.17E-017  (Modified Grain method)
    Subcooled liquid VP: 4.71E-015 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):  0.05987
       log Kow used: 5.32 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  38.479 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.29E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.257E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.32  (KowWin est)
  Log Kaw used:  -10.278  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.598
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1441
   Biowin2 (Non-Linear Model)     :   0.0002
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9031  (months      )
   Biowin4 (Primary Survey Model) :   3.1494  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5639
   Biowin6 (MITI Non-Linear Model):   0.0202
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.4589
 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):  6.28E-013 Pa (4.71E-015 mm Hg)
  Log Koa (Koawin est  ): 15.598
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.78E+006 
       Octanol/air (Koa) model:  973 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 140.4751 E-12 cm3/molecule-sec
      Half-Life =     0.076 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.914 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   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    :  2.894E+004
      Log Koc:  4.461 

 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 = 0.750 (BCF = 5.623)
       log Kow used: 5.32 (estimated)

 Volatilization from Water:
    Henry LC:  1.29E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.003E+009  hours   (4.181E+007 days)
    Half-Life from Model Lake : 1.095E+010  hours   (4.561E+008 days)

 Removal In Wastewater Treatment:
    Total removal:              85.54  percent
    Total biodegradation:        0.73  percent
    Total sludge adsorption:    84.82  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       0.0206          1.23         1000       
   Water     6.54            1.44e+003    1000       
   Soil      54.2            2.88e+003    1000       
   Sediment  39.3            1.3e+004     0          
     Persistence Time: 2.67e+003 hr

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