ChemSpider 2D Image | Tadalafil | C22H19N3O4

Tadalafil

  • Molecular FormulaC22H19N3O4
  • Average mass389.404 Da
  • Monoisotopic mass389.137543 Da
  • ChemSpider ID99301
  • defined stereocentres - 2 of 2 defined stereocentres


More details:



Featured data source



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

Tadalafil [JAN] [USAN] [Wiki]
(6R,12aR)-2,3,6,7,12,12a-Hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indol-1,4-dion [German] [ACD/IUPAC Name]
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione [ACD/IUPAC Name]
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-méthyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione [French] [ACD/IUPAC Name]
(6R-trans)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
171596-29-5 [RN]
Cialis [Wiki]
GF-196960X
IC 351
More...

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

D02008 [DBID]
GF 196960 [DBID]
GF-196960 [DBID]
HSDB 7303 [DBID]
ICOS 351 [DBID]

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

Density: 1.5±0.1 g/cm3
Boiling Point: 679.1±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.1 mmHg at 25°C
Enthalpy of Vaporization: 99.7±3.0 kJ/mol
Flash Point: 364.5±31.5 °C
Index of Refraction: 1.758
Molar Refractivity: 105.3±0.4 cm3
#H bond acceptors: 7
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.43
ACD/LogD (pH 5.5): 1.88
ACD/BCF (pH 5.5): 15.83
ACD/KOC (pH 5.5): 251.30
ACD/LogD (pH 7.4): 1.88
ACD/BCF (pH 7.4): 15.83
ACD/KOC (pH 7.4): 251.30
Polar Surface Area: 75 Å2
Polarizability: 41.7±0.5 10-24cm3
Surface Tension: 81.6±5.0 dyne/cm
Molar Volume: 256.2±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) =  0.04

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  625.81  (Adapted Stein & Brown method)
    Melting Pt (deg C):  271.37  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.03E-014  (Modified Grain method)
    Subcooled liquid VP: 1.56E-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):  162.4
       log Kow used: 0.04 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3559.9 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.04E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.560E-017 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.04  (KowWin est)
  Log Kaw used:  -13.483  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.523
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3424
   Biowin2 (Non-Linear Model)     :   0.0317
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1380  (months      )
   Biowin4 (Primary Survey Model) :   3.6088  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1519
   Biowin6 (MITI Non-Linear Model):   0.0023
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7853
 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):  2.08E-009 Pa (1.56E-011 mm Hg)
  Log Koa (Koawin est  ): 13.523
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.44E+003 
       Octanol/air (Koa) model:  8.18 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.998 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 517.1394 E-12 cm3/molecule-sec
      Half-Life =     0.021 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    14.892 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     9.639999 E-17 cm3/molecule-sec
      Half-Life =     0.119 Days (at 7E11 mol/cm3)
      Half-Life =      2.853 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    :  1833
      Log Koc:  3.263 

 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: 0.04 (estimated)

 Volatilization from Water:
    Henry LC:  8.04E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.437E+012  hours   (5.988E+010 days)
    Half-Life from Model Lake : 1.568E+013  hours   (6.532E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       0.000971        0.423        1000       
   Water     48.9            1.44e+003    1000       
   Soil      51              2.88e+003    1000       
   Sediment  0.0961          1.3e+004     0          
     Persistence Time: 1.16e+003 hr




                    

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