ChemSpider 2D Image | Ac-His-NHMe | C9H14N4O2

Ac-His-NHMe

  • Molecular FormulaC9H14N4O2
  • Average mass210.233 Da
  • Monoisotopic mass210.111679 Da
  • ChemSpider ID128678

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

1H-Imidazole-5-propanamide, α-(acetylamino)-N-methyl-, (αS)- [ACD/Index Name]
6367-11-9 [RN]
Ac-His-NHMe
Nα-Acetyl-N-methyl-L-histidinamid [German] [ACD/IUPAC Name]
Nα-Acetyl-N-methyl-L-histidinamide [ACD/IUPAC Name]
Nα-Acétyl-N-méthyl-L-histidinamide [French] [ACD/IUPAC Name]
(2S)-2-acetamido-3-(1H-imidazol-4-yl)-N-methylpropanamide
(2S)-2-acetamido-3-(1H-imidazol-5-yl)-N-methylpropanamide
(S)-2-Acetamido-3-(1H-imidazol-4-yl)-N-methylpropanamide
(S)-α-(Acetylamino)-N-methyl-1H-imidazole-4-propanamide
More...

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

09.11.6367 [DBID]
6367119 [DBID]
ZINC02560831 [DBID]

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

    Density: 1.2±0.1 g/cm3
    Boiling Point: 681.4±55.0 °C at 760 mmHg
    Vapour Pressure: 0.0±2.1 mmHg at 25°C
    Enthalpy of Vaporization: 100.0±3.0 kJ/mol
    Flash Point: 365.9±31.5 °C
    Index of Refraction: 1.541
    Molar Refractivity: 54.1±0.3 cm3
    #H bond acceptors: 6
    #H bond donors: 3
    #Freely Rotating Bonds: 4
    #Rule of 5 Violations: 0
    ACD/LogP: -1.73
    ACD/LogD (pH 5.5): -2.67
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): -1.36
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 3.77
    Polar Surface Area: 87 Å2
    Polarizability: 21.4±0.5 10-24cm3
    Surface Tension: 51.2±3.0 dyne/cm
    Molar Volume: 172.1±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) =  -1.33

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  517.86  (Adapted Stein & Brown method)
    Melting Pt (deg C):  220.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.78E-011  (Modified Grain method)
    Subcooled liquid VP: 9.67E-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):  2.614e+004
       log Kow used: -1.33 (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:
       Imidazoles

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.93E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.233E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.33  (KowWin est)
  Log Kaw used:  -12.103  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.773
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1224
   Biowin2 (Non-Linear Model)     :   0.9975
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5513  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.8867  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2508
   Biowin6 (MITI Non-Linear Model):   0.1522
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.9373
 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):  1.29E-006 Pa (9.67E-009 mm Hg)
  Log Koa (Koawin est  ): 10.773
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.33 
       Octanol/air (Koa) model:  0.0146 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.988 
       Mackay model           :  0.995 
       Octanol/air (Koa) model:  0.538 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 112.0943 E-12 cm3/molecule-sec
      Half-Life =     0.095 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.145 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.991 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  37.93
      Log Koc:  1.579 

 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: -1.33 (estimated)

 Volatilization from Water:
    Henry LC:  1.93E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.399E+010  hours   (1.833E+009 days)
    Half-Life from Model Lake : 4.798E+011  hours   (1.999E+010 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       3.64e-005       2.29         1000       
   Water     46.4            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0891          8.1e+003     0          
     Persistence Time: 973 hr

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