ChemSpider 2D Image | AD4 | C5H10N2O2S

AD4

  • Molecular FormulaC5H10N2O2S
  • Average mass162.210 Da
  • Monoisotopic mass162.046295 Da
  • ChemSpider ID8351770
  • defined stereocentres - 1 of 1 defined stereocentres


More details:






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

(2R)-2-acetamido-3-sulfanylpropanamide
(R)- 2-(Acetylamino)-3-mercapto-Propanamide
38520-57-9 [RN]
acetylcysteinamide
AD4
MFCD01696115
N2-Acetyl-L-cysteinamid [German] [ACD/IUPAC Name]
N2-Acetyl-L-cysteinamide [ACD/IUPAC Name]
N2-Acétyl-L-cystéinamide [French] [ACD/IUPAC Name]
Naca
More...

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

4N69717RKW [DBID]
CCRIS 4693 [DBID]
UNII:4N69717RKW [DBID]
UNII-4N69717RKW [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Bio Activity:

      Antioxidants Tocris Bioscience 5619
      Glutathione (GSH) precursor and cell permeable antioxidant. Improves neuronal mitochondrial bioenergetics, reduces tissue damage and enhances functional recovery following spinal cord injury in rats. Also enhances behavioral recovery in rats following traumatic brain injury. Neuroprotective. Tocris Bioscience 5619
      Glutathione (GSH) precursor and cell permeable antioxidant. Improves neuronal mitochondrial bioenergetics, reduces tissue damage and enhances functional recovery following spinal cord injury in rats. Also enhances behavioral recovery in rats following traumatic brain injury. Neuroprotective. Tocris Bioscience 5619
      Glutathione (GSH) precursor; neuroprotective Tocris Bioscience 5619
      Other Pharmacology Tocris Bioscience 5619

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

Density: 1.2±0.1 g/cm3
Boiling Point: 441.0±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 69.8±3.0 kJ/mol
Flash Point: 220.5±27.3 °C
Index of Refraction: 1.521
Molar Refractivity: 40.3±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -0.63
ACD/LogD (pH 5.5): -0.41
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 14.20
ACD/LogD (pH 7.4): -0.42
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 13.93
Polar Surface Area: 111 Å2
Polarizability: 16.0±0.5 10-24cm3
Surface Tension: 47.7±3.0 dyne/cm
Molar Volume: 132.2±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) =  -1.63
    Log Kow (Exper. database match) =  -0.29
       Exper. Ref:  Sangster (1994)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  389.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  159.74  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.15E-007  (Modified Grain method)
    Subcooled liquid VP: 1.48E-005 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):  5792
       log Kow used: -0.29 (expkow database)
       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:
       Thiols(mercaptans)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.56E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.266E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.29  (exp database)
  Log Kaw used:  -9.643  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.353
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0906
   Biowin2 (Non-Linear Model)     :   0.9977
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7323  (weeks-months)
   Biowin4 (Primary Survey Model) :   4.0246  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4820
   Biowin6 (MITI Non-Linear Model):   0.4910
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5191
 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):  0.00197 Pa (1.48E-005 mm Hg)
  Log Koa (Koawin est  ): 9.353
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00152 
       Octanol/air (Koa) model:  0.000553 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0521 
       Mackay model           :  0.108 
       Octanol/air (Koa) model:  0.0424 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  75.8519 E-12 cm3/molecule-sec
      Half-Life =     0.141 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.692 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0802 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  20.38
      Log Koc:  1.309 

 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: -0.29 (expkow database)

 Volatilization from Water:
    Henry LC:  5.56E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.341E+008  hours   (5.588E+006 days)
    Half-Life from Model Lake : 1.463E+009  hours   (6.096E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       8.29e-005       3.38         1000       
   Water     46.1            900          1000       
   Soil      53.8            1.8e+003     1000       
   Sediment  0.0889          8.1e+003     0          
     Persistence Time: 977 hr




                    

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