ChemSpider 2D Image | (-)-citalopram | C20H21FN2O

(-)-citalopram

  • Molecular FormulaC20H21FN2O
  • Average mass324.392 Da
  • Monoisotopic mass324.163788 Da
  • ChemSpider ID4809771

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(-)-citalopram
(1R)-1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile [ACD/IUPAC Name]
(1R)-1-[3-(Diméthylamino)propyl]-1-(4-fluorophényl)-1,3-dihydro-2-benzofurane-5-carbonitrile [French] [ACD/IUPAC Name]
(1R)-1-[3-(Dimethylamino)propyl]-1-(4-fluorphenyl)-1,3-dihydro-2-benzofuran-5-carbonitril [German] [ACD/IUPAC Name]
(R)-(-)-CITALOPRAM
(R)-citalopram
128196-02-1 [RN]
5-Isobenzofurancarbonitrile, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-, (1R)- [ACD/Index Name]
(1S)-1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-3H-2-benzofuran-5-carbonitrile
(1S)-1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-3H-isobenzofuran-5-carbonitrile
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

CHEBI:36792 [DBID]
CHEBI:36791 [DBID]
KBio2_001881 [DBID]
KBio2_004449 [DBID]
KBio2_007017 [DBID]
KBio3_001864 [DBID]
KBioGR_001644 [DBID]
KBioSS_001881 [DBID]
Lopac-C-7861 [DBID]
NCGC00015267-01 [DBID]
More...
  • Miscellaneous

    • Chemical Class:

      A 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile that has <stereo>R</stereo>-configuration at the chiral centre. It is the inactive enantiomer of citalopram. ChEBI CHEBI:36792
      A 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carbonitrile that has R-configuration at the chiral centre. It is the inactive enantiomer of citalopram. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:36792, CHEBI:36792

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

Density: 1.2±0.1 g/cm3
Boiling Point: 428.3±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 68.3±3.0 kJ/mol
Flash Point: 212.8±28.7 °C
Index of Refraction: 1.591
Molar Refractivity: 92.1±0.4 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 2.51
ACD/LogD (pH 5.5): 0.34
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.47
ACD/LogD (pH 7.4): 1.27
ACD/BCF (pH 7.4): 1.68
ACD/KOC (pH 7.4): 12.59
Polar Surface Area: 36 Å2
Polarizability: 36.5±0.5 10-24cm3
Surface Tension: 49.9±5.0 dyne/cm
Molar Volume: 272.6±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) =  3.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  417.85  (Adapted Stein & Brown method)
    Melting Pt (deg C):  164.03  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.13E-007  (Modified Grain method)
    BP  (exp database):  178 @ 0.03 mm Hg deg C
    Subcooled liquid VP: 3.05E-006 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):  31.09
       log Kow used: 3.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.018 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.69E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.551E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.74  (KowWin est)
  Log Kaw used:  -8.959  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.699
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.6464
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5174  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.8768  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0288
   Biowin6 (MITI Non-Linear Model):   0.0001
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.5868
 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):  0.000407 Pa (3.05E-006 mm Hg)
  Log Koa (Koawin est  ): 12.699
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00738 
       Octanol/air (Koa) model:  1.23 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.21 
       Mackay model           :  0.371 
       Octanol/air (Koa) model:  0.99 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  92.1481 E-12 cm3/molecule-sec
      Half-Life =     0.116 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.393 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.291 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.537E+004
      Log Koc:  4.404 

 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 = 2.181 (BCF = 151.9)
       log Kow used: 3.74 (estimated)

 Volatilization from Water:
    Henry LC:  2.69E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  3.92E+007  hours   (1.633E+006 days)
    Half-Life from Model Lake : 4.277E+008  hours   (1.782E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              19.74  percent
    Total biodegradation:        0.24  percent
    Total sludge adsorption:    19.50  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       6.21e-005       2.79         1000       
   Water     4.37            4.32e+003    1000       
   Soil      94.7            8.64e+003    1000       
   Sediment  0.927           3.89e+004    0          
     Persistence Time: 7.86e+003 hr

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