ChemSpider 2D Image | N-(2-Naphthylsulfonyl)-L-tryptophan | C21H18N2O4S

N-(2-Naphthylsulfonyl)-L-tryptophan

  • Molecular FormulaC21H18N2O4S
  • Average mass394.444 Da
  • Monoisotopic mass394.098724 Da
  • ChemSpider ID1409707

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

DL-Tryptophan, N-(2-naphthalenylsulfonyl)-
L-Tryptophan, N-(2-naphthalenylsulfonyl)- [ACD/Index Name]
N-(2-Naphthylsulfonyl)-L-tryptophan [ACD/IUPAC Name]
N-(2-Naphthylsulfonyl)-L-tryptophan [German] [ACD/IUPAC Name]
N-(2-Naphtylsulfonyl)-L-tryptophane [French] [ACD/IUPAC Name]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 694.1±65.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.3 mmHg at 25°C
Enthalpy of Vaporization: 106.8±3.0 kJ/mol
Flash Point: 373.6±34.3 °C
Index of Refraction: 1.718
Molar Refractivity: 108.5±0.4 cm3
#H bond acceptors: 6
#H bond donors: 3
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 3.97
ACD/LogD (pH 5.5): 0.77
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 4.02
ACD/LogD (pH 7.4): -0.30
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 108 Å2
Polarizability: 43.0±0.5 10-24cm3
Surface Tension: 70.2±3.0 dyne/cm
Molar Volume: 275.3±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) =  3.45

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  626.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  271.87  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.8E-014  (Modified Grain method)
    Subcooled liquid VP: 1.46E-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):  0.7177
       log Kow used: 3.45 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.4198 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 :   2.37E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.025E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.45  (KowWin est)
  Log Kaw used:  -14.014  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.464
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6871
   Biowin2 (Non-Linear Model)     :   0.2023
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6172  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5957  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2879
   Biowin6 (MITI Non-Linear Model):   0.0015
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4099
 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):  1.95E-009 Pa (1.46E-011 mm Hg)
  Log Koa (Koawin est  ): 17.464
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.54E+003 
       Octanol/air (Koa) model:  7.14E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 218.3126 E-12 cm3/molecule-sec
      Half-Life =     0.049 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.588 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   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    :  9.838E+004
      Log Koc:  4.993 

 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: 3.45 (estimated)

 Volatilization from Water:
    Henry LC:  2.37E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.906E+012  hours   (2.044E+011 days)
    Half-Life from Model Lake : 5.352E+013  hours   (2.23E+012 days)

 Removal In Wastewater Treatment:
    Total removal:              11.94  percent
    Total biodegradation:        0.17  percent
    Total sludge adsorption:    11.77  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       0.000204        1.18         1000       
   Water     11.7            900          1000       
   Soil      87.5            1.8e+003     1000       
   Sediment  0.754           8.1e+003     0          
     Persistence Time: 1.83e+003 hr

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