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2-Quinoxalinecarbaldehyde

ChemSpider ID: 516436
Molecular Formula: C₉H₆N₂O
Average mass: 158.156693 Da
Monoisotopic mass: 158.048019 Da
Systematic name

2-Quinoxalinecarbaldehyde
SMILES and InChIs

SMILES:

O=Cc1nc2ccccc2nc1 Copied

Std. InChI:

InChI=1S/C9H6N2O/c12-6-7-5-10-8-3-1-2-4-9(8)11-7/h1-6H Copied

Std. InChIKey:

UJEHWLFUEQHEEZ-UHFFFAOYSA-N Copied
Cite this record
CSID:516436, http://www.chemspider.com/Chemical-Structure.516436.html (accessed 06:43, May 24, 2013) Copied

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Data supplied by datasources and users.

Experimental Physico-chemical Properties

Experimental LogP:

1.773 Vitas-M

1.1705 (Life Chemicals [F1938-0001])

Predicted Physico-chemical Properties
- Predicted Melting Point:
  
  109-111 deg C (109-111 °C) Enamine

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

ACD/LogP:	1.773	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	1.77	ACD/LogD (pH 7.4):	1.77
ACD/BCF (pH 5.5):	13.11	ACD/BCF (pH 7.4):	13.11
ACD/KOC (pH 5.5):	219.57	ACD/KOC (pH 7.4):	219.57
#H bond acceptors:	3	#H bond donors:	0
#Freely Rotating Bonds:	1	Polar Surface Area:	42.85 Å²
Index of Refraction:	1.7	Molar Refractivity:	47.031 cm³
Molar Volume:	121.663 cm³	Polarizability:	18.644 10^-24cm³
Surface Tension:	64.2580032348633 dyne/cm	Density:	1.3 g/cm³
Flash Point:	151.632 °C	Enthalpy of Vaporization:	56.14 kJ/mol
Boiling Point:	319.783 °C at 760 mmHg	Vapour Pressure:	0 mmHg at 25°C

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  304.97  (Adapted Stein & Brown method)
    Melting Pt (deg C):  92.00  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000338  (Modified Grain method)
    Subcooled liquid VP: 0.0015 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):  1.355e+004
       log Kow used: 0.83 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  53568 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.10E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.191E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.83  (KowWin est)
  Log Kaw used:  -7.537  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.367
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9569
   Biowin2 (Non-Linear Model)     :   0.9996
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8720  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8162  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6941
   Biowin6 (MITI Non-Linear Model):   0.7865
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4815
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.2 Pa (0.0015 mm Hg)
  Log Koa (Koawin est  ): 8.367
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.5E-005 
       Octanol/air (Koa) model:  5.71E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000542 
       Mackay model           :  0.0012 
       Octanol/air (Koa) model:  0.00455 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  17.8924 E-12 cm3/molecule-sec
      Half-Life =     0.598 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.174 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00087 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  39.32
      Log Koc:  1.595 

 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: 0.83 (estimated)

 Volatilization from Water:
    Henry LC:  7.1E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.037E+006  hours   (4.321E+004 days)
    Half-Life from Model Lake : 1.131E+007  hours   (4.714E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       0.016           14.3         1000       
   Water     35.9            360          1000       
   Soil      64              720          1000       
   Sediment  0.0699          3.24e+003    0          
     Persistence Time: 597 hr

Patents	Personal Collections
Publication or Magazine Article	Web-based Article (blog or commentary)
Available Chemicals Databases	Biological Properties
Chemical Reactions	Chemical Safety Data
Drugs or Compounds in Development	Imaging Agents
Information Aggregators	Journal Publishers via MeSH
Ligand/binding/crystal Structure Databases	Metabolic Pathways
Molecular Libraries Screening Center Network	Natural Products
NIH Substance Repository	Physical Properties (including SAR/QSAR databases)
Protein 3D Structures	Spectroscopy Databases
Substance Vendors	Theoretical Properties
Toxicology/Environmental Databases	Virtual Library

Category	Target	PDB Code	LASSO Score
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	0.58
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.14
Other Enzymes	ALR2, aldose reductase	1ah3	0.12
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.11
Nuclear Hormone Receptors	PPARg, peroxisome proliferator activated receptor	1fm9	0.08
Kinases	EGFr, epidermal growth factor receptor	1m17	0.07
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	0.03
Other Enzymes	HIVRT, HIV reverse transcriptase	1rt1	0.02
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.02
Serine Proteases	FXa, factor Xa	1f0r	0.02
Other Enzymes	COX-1, cyclooxygenase-1	1p4g	0.01
Kinases	SRC, tyrosine kinase SRC	2src	0.01
Other Enzymes	HMGR, hydroxymethylglutaryl-CoA reductase	1hw8	0.01
Kinases	HSP90, human heat shock protein 90	1uy6	0.01
Metalloenzymes	PDE5, phosphodiesterase 5	1xp0	0.01
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.01
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.01
Folate Enzymes	DHFR, dihydrofolate reductase	3dfr	0.01
Other Enzymes	PNP, purine nucleoside phosphorylase	1b8o	0.01
Nuclear Hormone Receptors	ER, estrogen receptor; antagonist	3ert	0.01
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Other Enzymes	InhA, enoyl ACP reductase	1p44	0.00
Serine Proteases	Thrombin	1ba8	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Serine Proteases	Trypsin	1bju	0.00
Other Enzymes	HIVPR, HIV protease	1hpx	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Other Enzymes	AChE, acetylcholinesterase	1eve	0.00
Nuclear Hormone Receptors	GR, glucocorticoid receptor	1m2z	0.00

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2-Quinoxalinecarbaldehyde

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2-Quinoxalinecarbaldehyde

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