ChemSpider 2D Image | (-)-Physostigmine | C15H21N3O2

(-)-Physostigmine

  • Molecular FormulaC15H21N3O2
  • Average mass275.346 Da
  • Monoisotopic mass275.163391 Da
  • ChemSpider ID5763

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

Featured data source
The Merck Index Online

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

(-)-Physostigmine
(-)-Eserine
(3aS,8aR)-1,3a,8-Trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-yl hydrogen methylcarbonimidate [ACD/IUPAC Name]
(3aS,8aR)-1,3a,8-Trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-yl methylcarbamate [ACD/IUPAC Name]
(3aS,8aR)-1,3a,8-Trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-yl-hydrogenmethylkohlenstoffimidat [German] [ACD/IUPAC Name]
(3aS,8aR)-1,3a,8-Trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-yl-methylcarbamat [German] [ACD/IUPAC Name]
(3aS-cis)-1,2,3,3a,8,8a-Hexahydro-1,3a,8-trimethylpyrrolo(2,3-b)indol-5-ol methylcarbamate (ester)
(3aS-cis)-1,2,3,3a,8,8a-Hexahydro-1,3a,8-trimethylpyrrolo[2,3-b]indol-5-ol Methylcarbamate (Ester)
200-332-8 [EINECS]
57-47-6 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

45710_FLUKA [DBID]
57-47-6; 57-64-7 [DBID]
C06535 [DBID]
CCRIS 3422 [DBID]
CS 58525 [DBID]
D00196 [DBID]
DivK1c_006477 [DBID]
E8375_SIGMA [DBID]
EU-0100483 [DBID]
HSDB 3161 [DBID]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point: 393.5±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 64.3±3.0 kJ/mol
Flash Point: 191.8±27.9 °C
Index of Refraction: 1.568
Molar Refractivity: 77.2±0.3 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.22
ACD/LogD (pH 5.5): -0.90
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): 0.81
ACD/BCF (pH 7.4): 1.63
ACD/KOC (pH 7.4): 30.66
Polar Surface Area: 45 Å2
Polarizability: 30.6±0.5 10-24cm3
Surface Tension: 42.4±3.0 dyne/cm
Molar Volume: 236.1±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) =  0.27

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  359.33  (Adapted Stein & Brown method)
    Melting Pt (deg C):  144.15  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.92E-006  (Modified Grain method)
    Subcooled liquid VP: 7.92E-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):  4976
       log Kow used: 0.27 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.706e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines
       Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.02E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.582E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.27  (KowWin est)
  Log Kaw used:  -8.784  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.054
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1015
   Biowin2 (Non-Linear Model)     :   0.0023
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8222  (months      )
   Biowin4 (Primary Survey Model) :   2.9147  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1805
   Biowin6 (MITI Non-Linear Model):   0.0031
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.3873
 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):  0.0106 Pa (7.92E-005 mm Hg)
  Log Koa (Koawin est  ): 9.054
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000284 
       Octanol/air (Koa) model:  0.000278 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0102 
       Mackay model           :  0.0222 
       Octanol/air (Koa) model:  0.0218 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 415.6533 E-12 cm3/molecule-sec
      Half-Life =     0.026 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    18.528 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.985000 E-17 cm3/molecule-sec
      Half-Life =     1.163 Days (at 7E11 mol/cm3)
      Half-Life =     27.923 Hrs
   Fraction sorbed to airborne particulates (phi): 0.0162 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3525
      Log Koc:  3.547 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.583E-002  L/mol-sec
  Kb Half-Life at pH 8:       1.387  years  
  Kb Half-Life at pH 7:      13.874  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.27 (estimated)

 Volatilization from Water:
    Henry LC:  4.02E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.417E+007  hours   (1.007E+006 days)
    Half-Life from Model Lake : 2.636E+008  hours   (1.099E+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       0.00046         0.604        1000       
   Water     48.2            1.44e+003    1000       
   Soil      51.7            2.88e+003    1000       
   Sediment  0.0955          1.3e+004     0          
     Persistence Time: 1.18e+003 hr

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