ChemSpider 2D Image | Hydrocortisone 21-Valerate | C26H38O6

Hydrocortisone 21-Valerate

  • Molecular FormulaC26H38O6
  • Average mass446.576 Da
  • Monoisotopic mass446.266846 Da
  • ChemSpider ID99818

  • defined stereocentres - 7 of 7 defined stereocentres

More details:

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

(11β)-11,17-Dihydroxy-3,20-dioxopregn-4-en-21-yl valerate [ACD/IUPAC Name]
(11β)-11,17-Dihydroxy-3,20-dioxopregn-4-en-21-ylvalerat [German] [ACD/IUPAC Name]
229-716-3 [EINECS]
6678-00-8 [RN]
Hydrocortisone 21-Valerate
Pentanoic acid, (11β)-11,17-dihydroxy-3,20-dioxopregn-4-en-21-yl ester [ACD/Index Name]
Valérate de (11β)-11,17-dihydroxy-3,20-dioxoprégn-4-én-21-yle [French] [ACD/IUPAC Name]
[2-[(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] pentanoate
11β,17,21-trihydroxypregn-4-ene-3,20-dione 21-valerate

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

    Density: 1.2±0.1 g/cm3
    Boiling Point: 604.1±55.0 °C at 760 mmHg
    Vapour Pressure: 0.0±3.9 mmHg at 25°C
    Enthalpy of Vaporization: 103.1±6.0 kJ/mol
    Flash Point: 198.5±25.0 °C
    Index of Refraction: 1.561
    Molar Refractivity: 119.0±0.4 cm3
    #H bond acceptors: 6
    #H bond donors: 2
    #Freely Rotating Bonds: 7
    #Rule of 5 Violations: 0
    ACD/LogP: 4.11
    ACD/LogD (pH 5.5): 3.54
    ACD/BCF (pH 5.5): 287.07
    ACD/KOC (pH 5.5): 2000.02
    ACD/LogD (pH 7.4): 3.54
    ACD/BCF (pH 7.4): 287.07
    ACD/KOC (pH 7.4): 2000.00
    Polar Surface Area: 101 Å2
    Polarizability: 47.2±0.5 10-24cm3
    Surface Tension: 52.2±5.0 dyne/cm
    Molar Volume: 367.6±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) =  3.83
    Log Kow (Exper. database match) =  3.62
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  544.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  233.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.25E-014  (Modified Grain method)
    Subcooled liquid VP: 2.21E-012 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):  1.268
       log Kow used: 3.62 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.6696 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.46E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.793E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.62  (exp database)
  Log Kaw used:  -9.224  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.844
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4381
   Biowin2 (Non-Linear Model)     :   0.0857
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1295  (months      )
   Biowin4 (Primary Survey Model) :   3.3261  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7197
   Biowin6 (MITI Non-Linear Model):   0.2479
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.8541
 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):  2.95E-010 Pa (2.21E-012 mm Hg)
  Log Koa (Koawin est  ): 12.844
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.02E+004 
       Octanol/air (Koa) model:  1.71 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.993 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 115.9226 E-12 cm3/molecule-sec
      Half-Life =     0.092 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.107 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): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  61.72
      Log Koc:  1.790 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.036E+000  L/mol-sec
  Kb Half-Life at pH 8:       7.744  days   
  Kb Half-Life at pH 7:      77.443  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.087 (BCF = 122.3)
       log Kow used: 3.62 (expkow database)

 Volatilization from Water:
    Henry LC:  1.46E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 8.475E+007  hours   (3.531E+006 days)
    Half-Life from Model Lake : 9.245E+008  hours   (3.852E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              16.06  percent
    Total biodegradation:        0.21  percent
    Total sludge adsorption:    15.85  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       0.0512          2.03         1000       
   Water     13.6            1.44e+003    1000       
   Soil      84.8            2.88e+003    1000       
   Sediment  1.58            1.3e+004     0          
     Persistence Time: 1.71e+003 hr

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