ChemSpider 2D Image | cilomilast | C20H25NO4

cilomilast

  • Molecular FormulaC20H25NO4
  • Average mass343.417 Da
  • Monoisotopic mass343.178345 Da
  • ChemSpider ID18826005

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

Featured data source
The Merck Index Online

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

153259-65-5 [RN]
Acide cis-4-cyano-4-[3-(cyclopentyloxy)-4-méthoxyphényl]cyclohexanecarboxylique [French] [ACD/IUPAC Name]
Ariflo [Trade name]
cilomilast [INN] [Wiki]
cilomilast [French] [INN]
cilomilast [Spanish] [INN]
cilomilastum [Latin] [INN]
cis-4-(3-(Cyclopentyloxy)-4-methoxyphenyl)-4-cyanocyclohexane-1-carboxylic acid
cis-4-Cyan-4-[3-(cyclopentyloxy)-4-methoxyphenyl]cyclohexancarbonsäure [German] [ACD/IUPAC Name]
cis-4-Cyano-4-(3-cyclopentyloxy-4-methoxyphenyl)cyclohexanecarboxylic acid
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

SB 207499 [DBID]
  • Miscellaneous

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

Density: 1.2±0.1 g/cm3
Boiling Point: 549.1±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.6 mmHg at 25°C
Enthalpy of Vaporization: 87.2±3.0 kJ/mol
Flash Point: 285.9±30.1 °C
Index of Refraction: 1.568
Molar Refractivity: 92.5±0.4 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 3.30
ACD/LogD (pH 5.5): 2.21
ACD/BCF (pH 5.5): 14.70
ACD/KOC (pH 5.5): 110.17
ACD/LogD (pH 7.4): 0.42
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.78
Polar Surface Area: 80 Å2
Polarizability: 36.7±0.5 10-24cm3
Surface Tension: 54.1±5.0 dyne/cm
Molar Volume: 282.7±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) =  4.40

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  490.22  (Adapted Stein & Brown method)
    Melting Pt (deg C):  208.03  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.55E-010  (Modified Grain method)
    Subcooled liquid VP: 4.85E-008 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):  1.604
       log Kow used: 4.40 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8.6761 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 :   1.60E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.564E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.40  (KowWin est)
  Log Kaw used:  -11.184  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.584
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0436
   Biowin2 (Non-Linear Model)     :   0.9980
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3941  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6734  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6091
   Biowin6 (MITI Non-Linear Model):   0.2764
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2024
 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):  6.47E-006 Pa (4.85E-008 mm Hg)
  Log Koa (Koawin est  ): 15.584
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.464 
       Octanol/air (Koa) model:  942 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.944 
       Mackay model           :  0.974 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  65.2596 E-12 cm3/molecule-sec
      Half-Life =     0.164 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.967 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.959 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1925
      Log Koc:  3.285 

 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: 4.40 (estimated)

 Volatilization from Water:
    Henry LC:  1.6E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 6.781E+009  hours   (2.826E+008 days)
    Half-Life from Model Lake : 7.398E+010  hours   (3.082E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              50.68  percent
    Total biodegradation:        0.48  percent
    Total sludge adsorption:    50.20  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       2.9e-005        3.93         1000       
   Water     10.3            900          1000       
   Soil      83.6            1.8e+003     1000       
   Sediment  6.12            8.1e+003     0          
     Persistence Time: 1.96e+003 hr

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