ChemSpider 2D Image | N(tau)-Methyl-L-histidine | C7H11N3O2

N(tau)-Methyl-L-histidine

  • Molecular FormulaC7H11N3O2
  • Average mass169.181 Da
  • Monoisotopic mass169.085129 Da
  • ChemSpider ID83153
  • defined stereocentres - 1 of 1 defined stereocentres


More details:






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

N(tau)-Methyl-L-histidine
1-Methyl-L-histidin [German] [ACD/IUPAC Name]
1-Methyl-L-histidine [ACD/IUPAC Name]
1-Méthyl-L-histidine [French] [ACD/IUPAC Name]
Histidine, 1-methyl-, L-
Histidine, N-tau-methyl-
L-1-Methylhistidine
L-Histidine, 1-methyl- [ACD/Index Name]
N(tele)-methyl-L-histidine
Ntau-Methyl-L-histidine
More...

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

67520_FLUKA [DBID]
bmse000449 [DBID]
EPA Pesticide Chemical Code 079011 [DBID]
NSC 524367 [DBID]
ZINC02563973 [DBID]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 415.0±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 70.4±3.0 kJ/mol
Flash Point: 204.8±25.9 °C
Index of Refraction: 1.613
Molar Refractivity: 42.7±0.5 cm3
#H bond acceptors: 5
#H bond donors: 3
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -1.31
ACD/LogD (pH 5.5): -3.47
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.03
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 81 Å2
Polarizability: 16.9±0.5 10-24cm3
Surface Tension: 55.4±7.0 dyne/cm
Molar Volume: 122.7±7.0 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) =  -2.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  397.91  (Adapted Stein & Brown method)
    Melting Pt (deg C):  247.63  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.57E-008  (Modified Grain method)
    Subcooled liquid VP: 9.34E-006 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):  1.006e+005
       log Kow used: -2.67 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.7009e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines-acid
       Imidazoles-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.79E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.900E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.67  (KowWin est)
  Log Kaw used:  -10.136  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.466
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9482
   Biowin2 (Non-Linear Model)     :   0.9496
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1395  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9640  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3337
   Biowin6 (MITI Non-Linear Model):   0.1865
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6421
 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):  0.00125 Pa (9.34E-006 mm Hg)
  Log Koa (Koawin est  ): 7.466
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00241 
       Octanol/air (Koa) model:  7.18E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.08 
       Mackay model           :  0.162 
       Octanol/air (Koa) model:  0.000574 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 128.9031 E-12 cm3/molecule-sec
      Half-Life =     0.083 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.996 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.121 (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: -2.67 (estimated)

 Volatilization from Water:
    Henry LC:  1.79E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.254E+008  hours   (1.773E+007 days)
    Half-Life from Model Lake : 4.641E+009  hours   (1.934E+008 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       4.89e-005       1.99         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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