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Search term: MF = 'C_{18}H_{17}NO_{4}S'
ChemSpider 2D Image | Fmoc-L-cysteine | C18H17NO4S

Fmoc-L-cysteine

  • Molecular FormulaC18H17NO4S
  • Average mass343.397 Da
  • Monoisotopic mass343.087830 Da
  • ChemSpider ID9199531

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-sulfanylpropanoic acid
(2R)-2-{[(9H-FLUOREN-9-YLMETHOXY)CARBONYL]AMINO}-3-SULFANYLPROPANOIC ACID
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-mercaptopropanoic acid
135248-89-4 [RN]
Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]- [ACD/Index Name]
Fmoc-L-cysteine
MFCD03788178 [MDL number]
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]cystein [German] [ACD/IUPAC Name]
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]cysteine [ACD/IUPAC Name]
N-[(9H-Fluorén-9-ylméthoxy)carbonyl]cystéine [French] [ACD/IUPAC Name]
More...

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 574.4±50.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.7 mmHg at 25°C
    Enthalpy of Vaporization: 90.5±3.0 kJ/mol
    Flash Point: 301.2±30.1 °C
    Index of Refraction: 1.634
    Molar Refractivity: 91.8±0.3 cm3
    #H bond acceptors: 5
    #H bond donors: 2
    #Freely Rotating Bonds: 6
    #Rule of 5 Violations: 0
    ACD/LogP: 4.46
    ACD/LogD (pH 5.5): 1.15
    ACD/BCF (pH 5.5): 1.08
    ACD/KOC (pH 5.5): 6.95
    ACD/LogD (pH 7.4): 0.03
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 114 Å2
    Polarizability: 36.4±0.5 10-24cm3
    Surface Tension: 59.8±3.0 dyne/cm
    Molar Volume: 256.8±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) =  2.89

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  506.12  (Adapted Stein & Brown method)
    Melting Pt (deg C):  215.46  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.8E-010  (Modified Grain method)
    Subcooled liquid VP: 1.92E-008 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):  4.466
       log Kow used: 2.89 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.525 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.83E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.821E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.89  (KowWin est)
  Log Kaw used:  -13.126  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.016
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7910
   Biowin2 (Non-Linear Model)     :   0.5895
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6833  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.8630  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0676
   Biowin6 (MITI Non-Linear Model):   0.0208
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0642
 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):  2.56E-006 Pa (1.92E-008 mm Hg)
  Log Koa (Koawin est  ): 16.016
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.17 
       Octanol/air (Koa) model:  2.55E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.977 
       Mackay model           :  0.989 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  73.2972 E-12 cm3/molecule-sec
      Half-Life =     0.146 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.751 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.983 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7909
      Log Koc:  3.898 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.928E-006  L/mol-sec
  Kb Half-Life at pH 8:    4456.481  years  
  Kb Half-Life at pH 7: 4.456E+004  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 2.89 (estimated)

 Volatilization from Water:
    Henry LC:  1.83E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.929E+011  hours   (2.47E+010 days)
    Half-Life from Model Lake : 6.468E+012  hours   (2.695E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               4.86  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.74  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       9.42e-007       3.5          1000       
   Water     13.3            900          1000       
   Soil      86.5            1.8e+003     1000       
   Sediment  0.238           8.1e+003     0          
     Persistence Time: 1.76e+003 hr

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