ChemSpider 2D Image | ODQ | C9H5N3O2

ODQ

  • Molecular FormulaC9H5N3O2
  • Average mass187.155 Da
  • Monoisotopic mass187.038177 Da
  • ChemSpider ID1412

More details:






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

[1,2,4]Oxadiazolo[4,3-a]chinoxalin-1-on [German] [ACD/IUPAC Name]
[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one [ACD/IUPAC Name]
[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one [French] [ACD/IUPAC Name]
1H-(1,2,4)OXADIAZOLO-(4,3,A)QUINOXALIN-1-ONE
1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one
1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one [ACD/Index Name]
41443-28-1 [RN]
MFCD00792620 [MDL number]
ODQ
T B566 BNVON HNJ [WLN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

S57V2NMV38 [DBID]
EU-0100953 [DBID]
Lopac-O-3636 [DBID]
NCGC00015770-01 [DBID]
NCGC00024841-01 [DBID]
nchembio821-comp4 [DBID]
NNC07-9008 [DBID]
O3636_SIGMA [DBID]
RO0913150 [DBID]
Tocris-0880 [DBID]
More...
  • Experimental Physico-chemical Properties
    • Experimental Solubility:

      Soluble in DMSO (100mM) and in ethanol (20 mM, gentle warming) Hello Bio HB2900
      Soluble to 20 mM in ethanol with gentle warming and to 100 mM in DMSO Tocris Bioscience 0880, 880
      Soluble to 25 mM in ethanol and to 100 mM in DMSO Tocris Bioscience 0880
  • Miscellaneous
    • Chemical Class:

      A member of the class of oxadiazoloquinoxalines that is 1<element>H</element>-[1,2,4]oxadiazolo[4,3-<ital>a</ital>]quinoxaline substituted at position 1 by an oxo group. ChEBI CHEBI:91215
      A member of the class of oxadiazoloquinoxalines that is 1H-[1,2,4]oxadiazolo[4,3-a]quinoxaline substituted at position 1 by an oxo group. ChEBI CHEBI:91215
    • Bio Activity:

      A potent and selective inhibitor of NO-sensitive guanylyl cyclase. Tocris Bioscience 0880, 880
      Biochemicals & small molecules/Antagonists & inhibitors Hello Bio HB2900
      Cell Biology Tocris Bioscience 880
      Enzymes/Cyclase/Guanylyl cyclase Hello Bio HB2900
      Nitric Oxide Signaling Tocris Bioscience 880
      Other Nitric Oxide Tocris Bioscience 880
      Potent, selective guanylyl cyclase inhibitor Hello Bio HB2900
      Potent, selective guanylyl cyclase inhibitor (IC<sub>50</sub> = ~20 nM). Shows anxiolytic and anti-tumour actions. Also shows potential memory disturbing effects. Hello Bio HB2900
      Selective inhibitor of NO-sensitive guanylyl cyclase Tocris Bioscience 0880, 880
      Signal Transduction Tocris Bioscience 880

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

Density: 1.6±0.1 g/cm3
Boiling Point: 321.3±25.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 56.3±3.0 kJ/mol
Flash Point: 148.1±23.2 °C
Index of Refraction: 1.781
Molar Refractivity: 48.7±0.5 cm3
#H bond acceptors: 5
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.28
ACD/LogD (pH 5.5): 1.09
ACD/BCF (pH 5.5): 3.94
ACD/KOC (pH 5.5): 92.81
ACD/LogD (pH 7.4): 1.09
ACD/BCF (pH 7.4): 3.94
ACD/KOC (pH 7.4): 92.81
Polar Surface Area: 54 Å2
Polarizability: 19.3±0.5 10-24cm3
Surface Tension: 70.6±7.0 dyne/cm
Molar Volume: 115.9±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) =  2.05

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  355.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  130.48  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.52E-006  (Modified Grain method)
    Subcooled liquid VP: 9.7E-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):  895.2
       log Kow used: 2.05 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  116.85 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.44E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.344E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.05  (KowWin est)
  Log Kaw used:  -6.001  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.051
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6584
   Biowin2 (Non-Linear Model)     :   0.5869
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7856  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5777  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2007
   Biowin6 (MITI Non-Linear Model):   0.0740
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4938
 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):  0.0129 Pa (9.7E-005 mm Hg)
  Log Koa (Koawin est  ): 8.051
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000232 
       Octanol/air (Koa) model:  2.76E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00831 
       Mackay model           :  0.0182 
       Octanol/air (Koa) model:  0.0022 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  16.0069 E-12 cm3/molecule-sec
      Half-Life =     0.668 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.019 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0133 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  28.18
      Log Koc:  1.450 

 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 = 0.881 (BCF = 7.608)
       log Kow used: 2.05 (estimated)

 Volatilization from Water:
    Henry LC:  2.44E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.283E+004  hours   (1368 days)
    Half-Life from Model Lake : 3.582E+005  hours   (1.493E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               2.30  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.20  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       0.352           16           1000       
   Water     24.3            360          1000       
   Soil      75.2            720          1000       
   Sediment  0.0908          3.24e+003    0          
     Persistence Time: 616 hr




                    

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