ChemSpider 2D Image | 4-Methoxy-L-tryptophan | C12H14N2O3

4-Methoxy-L-tryptophan

  • Molecular FormulaC12H14N2O3
  • Average mass234.251 Da
  • Monoisotopic mass234.100449 Da
  • ChemSpider ID9393604

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

4-Methoxy-L-tryptophan [ACD/IUPAC Name]
4-Methoxy-L-tryptophan [German] [ACD/IUPAC Name]
4-Méthoxy-L-tryptophane [French] [ACD/IUPAC Name]
L-Tryptophan, 4-methoxy- [ACD/Index Name]
(2S)-2-AMINO-3-(4-METHOXY-1H-INDOL-3-YL)PROPANOIC ACID
(S)-2-Amino-3-(4-methoxy-1H-indol-3-yl)propanoic acid
(S)-2-Amino-3-(4-methoxy-1H-indol-3-yl)propanoicacid
[406938-53-2] [RN]
199540-73-3 [RN]
406938-53-2 [RN]
More...

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

CCRIS 4693 [DBID]

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 478.3±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.3 mmHg at 25°C
    Enthalpy of Vaporization: 78.2±3.0 kJ/mol
    Flash Point: 243.1±28.7 °C
    Index of Refraction: 1.663
    Molar Refractivity: 64.4±0.3 cm3
    #H bond acceptors: 5
    #H bond donors: 4
    #Freely Rotating Bonds: 4
    #Rule of 5 Violations: 0
    ACD/LogP: 0.95
    ACD/LogD (pH 5.5): -1.13
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): -1.13
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 88 Å2
    Polarizability: 25.5±0.5 10-24cm3
    Surface Tension: 64.1±3.0 dyne/cm
    Molar Volume: 173.9±3.0 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) =  -1.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  455.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  300.51  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.95E-010  (Modified Grain method)
    Subcooled liquid VP: 3.51E-007 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):  2311
       log Kow used: -1.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  564.79 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.17E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.935E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.14  (KowWin est)
  Log Kaw used:  -13.320  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.180
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0491
   Biowin2 (Non-Linear Model)     :   0.9861
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9376  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9472  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3518
   Biowin6 (MITI Non-Linear Model):   0.1432
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6292
 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):  4.68E-005 Pa (3.51E-007 mm Hg)
  Log Koa (Koawin est  ): 12.180
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0641 
       Octanol/air (Koa) model:  0.372 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.698 
       Mackay model           :  0.837 
       Octanol/air (Koa) model:  0.967 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 240.1422 E-12 cm3/molecule-sec
      Half-Life =     0.045 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.534 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.768 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  267.9
      Log Koc:  2.428 

 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: -1.14 (estimated)

 Volatilization from Water:
    Henry LC:  1.17E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.659E+011  hours   (3.191E+010 days)
    Half-Life from Model Lake : 8.355E+012  hours   (3.481E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       1.86e-007       1.07         1000       
   Water     39              360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

    Click to predict properties on the Chemicalize site


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