ChemSpider 2D Image | N-[(Benzyloxy)carbonyl]-L-isoleucyl-L-leucine | C20H30N2O5

N-[(Benzyloxy)carbonyl]-L-isoleucyl-L-leucine

  • Molecular FormulaC20H30N2O5
  • Average mass378.463 Da
  • Monoisotopic mass378.215485 Da
  • ChemSpider ID5605361
  • defined stereocentres - 3 of 3 defined stereocentres


More details:






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

L-Leucine, N-[(phenylmethoxy)carbonyl]-L-isoleucyl- [ACD/Index Name]
N-[(Benzyloxy)carbonyl]-L-isoleucyl-L-leucin [German] [ACD/IUPAC Name]
N-[(Benzyloxy)carbonyl]-L-isoleucyl-L-leucine [ACD/IUPAC Name]
N-[(Benzyloxy)carbonyl]-L-isoleucyl-L-leucine [French] [ACD/IUPAC Name]
[38972-95-1]
38972-95-1 [RN]
4-methyl-2-[[3-methyl-2-(phenylmethoxycarbonylamino)pentanoyl]amino]pentanoic acid
ZIL
Z-ILE-LEU-OH
Z-L-ISOLEUCYL-L-LEUCINE

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

Density: 1.1±0.1 g/cm3
Boiling Point: 598.0±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.8 mmHg at 25°C
Enthalpy of Vaporization: 93.7±3.0 kJ/mol
Flash Point: 315.5±28.7 °C
Index of Refraction: 1.520
Molar Refractivity: 101.8±0.3 cm3
#H bond acceptors: 7
#H bond donors: 3
#Freely Rotating Bonds: 11
#Rule of 5 Violations: 0
ACD/LogP: 4.06
ACD/LogD (pH 5.5): 0.66
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 4.90
ACD/LogD (pH 7.4): -0.67
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 105 Å2
Polarizability: 40.4±0.5 10-24cm3
Surface Tension: 43.3±3.0 dyne/cm
Molar Volume: 334.7±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) =  3.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  535.91  (Adapted Stein & Brown method)
    Melting Pt (deg C):  229.37  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.13E-011  (Modified Grain method)
    Subcooled liquid VP: 3.35E-009 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):  4.767
       log Kow used: 3.44 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  532.64 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.06E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.225E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.44  (KowWin est)
  Log Kaw used:  -11.363  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.803
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0578
   Biowin2 (Non-Linear Model)     :   0.9776
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6485  (weeks-months)
   Biowin4 (Primary Survey Model) :   4.0912  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2663
   Biowin6 (MITI Non-Linear Model):   0.0071
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.7410
 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):  4.47E-007 Pa (3.35E-009 mm Hg)
  Log Koa (Koawin est  ): 14.803
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.72 
       Octanol/air (Koa) model:  156 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.996 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  53.7316 E-12 cm3/molecule-sec
      Half-Life =     0.199 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.389 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.997 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3642
      Log Koc:  3.561 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.505E-004  L/mol-sec
  Kb Half-Life at pH 8:     145.912  years  
  Kb Half-Life at pH 7:    1459.123  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 3.44 (estimated)

 Volatilization from Water:
    Henry LC:  1.06E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.075E+010  hours   (4.477E+008 days)
    Half-Life from Model Lake : 1.172E+011  hours   (4.884E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              11.74  percent
    Total biodegradation:        0.17  percent
    Total sludge adsorption:    11.56  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       0.000317        4.78         1000       
   Water     11.7            900          1000       
   Soil      87.5            1.8e+003     1000       
   Sediment  0.737           8.1e+003     0          
     Persistence Time: 1.83e+003 hr




                    

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