ChemSpider 2D Image | Leu-met | C11H22N2O3S

Leu-met

  • Molecular FormulaC11H22N2O3S
  • Average mass262.369 Da
  • Monoisotopic mass262.135101 Da
  • ChemSpider ID5374095

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

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

36077-39-1 [RN]
Leu-met
L-Leucyl-L-methionin [German] [ACD/IUPAC Name]
L-Leucyl-L-methionine [ACD/IUPAC Name]
L-Leucyl-L-méthionine [French] [ACD/IUPAC Name]
L-Methionine, L-leucyl- [ACD/Index Name]
L-Methionine, N-L-leucyl-
(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylsulfanylbutanoic acid
(S)-2-((S)-2-Amino-4-methylpentanamido)-4-(methylthio)butanoic acid
[36077-39-1] [RN]
More...

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

ZINC02390952 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 493.8±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.7 mmHg at 25°C
Enthalpy of Vaporization: 83.3±6.0 kJ/mol
Flash Point: 252.4±28.7 °C
Index of Refraction: 1.519
Molar Refractivity: 69.6±0.3 cm3
#H bond acceptors: 5
#H bond donors: 4
#Freely Rotating Bonds: 8
#Rule of 5 Violations: 0
ACD/LogP: 1.13
ACD/LogD (pH 5.5): -1.77
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.86
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 118 Å2
Polarizability: 27.6±0.5 10-24cm3
Surface Tension: 45.7±3.0 dyne/cm
Molar Volume: 229.4±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) =  0.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  473.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  303.10  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.85E-011  (Modified Grain method)
    Subcooled liquid VP: 1.27E-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):  4906
       log Kow used: 0.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 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 :   4.37E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.931E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.72  (KowWin est)
  Log Kaw used:  -13.748  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.468
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0593
   Biowin2 (Non-Linear Model)     :   0.9765
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9542  (weeks       )
   Biowin4 (Primary Survey Model) :   4.1035  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2701
   Biowin6 (MITI Non-Linear Model):   0.0940
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0260
 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):  1.69E-005 Pa (1.27E-007 mm Hg)
  Log Koa (Koawin est  ): 14.468
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.177 
       Octanol/air (Koa) model:  72.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.865 
       Mackay model           :  0.934 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  71.3371 E-12 cm3/molecule-sec
      Half-Life =     0.150 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.799 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.899 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  100.5
      Log Koc:  2.002 

 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: 0.72 (estimated)

 Volatilization from Water:
    Henry LC:  4.37E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  2.17E+012  hours   (9.042E+010 days)
    Half-Life from Model Lake : 2.367E+013  hours   (9.864E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       1.72e-007       3.6          1000       
   Water     36.5            360          1000       
   Soil      63.5            720          1000       
   Sediment  0.07            3.24e+003    0          
     Persistence Time: 596 hr

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