ChemSpider 2D Image | L-Methionyl-L-alanyl-D-serine | C11H21N3O5S

L-Methionyl-L-alanyl-D-serine

  • Molecular FormulaC11H21N3O5S
  • Average mass307.366 Da
  • Monoisotopic mass307.120178 Da
  • ChemSpider ID4932447

  • defined stereocentres - 3 of 3 defined stereocentres

More details:

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

D-Serine, L-methionyl-L-alanyl- [ACD/Index Name]
L-Methionyl-L-alanyl-D-serin [German] [ACD/IUPAC Name]
L-Methionyl-L-alanyl-D-serine [ACD/IUPAC Name]
L-Méthionyl-L-alanyl-D-sérine [French] [ACD/IUPAC Name]
Met-Ala-Ser

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

Density: 1.3±0.1 g/cm3
Boiling Point: 687.4±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±4.9 mmHg at 25°C
Enthalpy of Vaporization: 115.3±6.0 kJ/mol
Flash Point: 369.5±31.5 °C
Index of Refraction: 1.555
Molar Refractivity: 74.8±0.3 cm3
#H bond acceptors: 8
#H bond donors: 6
#Freely Rotating Bonds: 9
#Rule of 5 Violations: 1
ACD/LogP: -1.02
ACD/LogD (pH 5.5): -3.38
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.97
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 167 Å2
Polarizability: 29.6±0.5 10-24cm3
Surface Tension: 59.3±3.0 dyne/cm
Molar Volume: 232.9±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) =  -2.56

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  613.33  (Adapted Stein & Brown method)
    Melting Pt (deg C):  323.49  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.38E-017  (Modified Grain method)
    Subcooled liquid VP: 5.57E-014 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):  8.305e+004
       log Kow used: -2.56 (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 :   9.56E-023  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.159E-022 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.56  (KowWin est)
  Log Kaw used:  -20.408  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.848
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.4068
   Biowin2 (Non-Linear Model)     :   0.9990
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9605  (weeks       )
   Biowin4 (Primary Survey Model) :   4.3734  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4236
   Biowin6 (MITI Non-Linear Model):   0.1553
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3816
 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):  7.43E-012 Pa (5.57E-014 mm Hg)
  Log Koa (Koawin est  ): 17.848
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.04E+005 
       Octanol/air (Koa) model:  1.73E+005 
   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 =  83.3601 E-12 cm3/molecule-sec
      Half-Life =     0.128 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.540 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   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    :  10
      Log Koc:  1.000 

 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: -2.56 (estimated)

 Volatilization from Water:
    Henry LC:  9.56E-023 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.074E+019  hours   (4.474E+017 days)
    Half-Life from Model Lake : 1.171E+020  hours   (4.88E+018 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       9.51e-008       3.08         1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

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