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5,6,7,8-Tetramethoxyflavone

ChemSpider ID: 109529
Molecular Formula: C₁₉H₁₈O₆
Average mass: 342.34259 Da
Monoisotopic mass: 342.110352 Da
Systematic name

5,6,7,8-Tetramethoxy-2-phenyl-4H-chromen-4-one
SMILES and InChIs

SMILES:

O=C\1c3c(O/C(=C/1)c2ccccc2)c(OC)c(OC)c(OC)c3OC Copied

Std. InChI:

InChI=1S/C19H18O6/c1-21-15-14-12(20)10-13(11-8-6-5-7-9-11)25-16(14)18(23-3)19(24-4)17(15)22-2/h5-10H,1-4H3 Copied

Std. InChIKey:

HLBQIAYRCJIRCQ-UHFFFAOYSA-N Copied
Cite this record
CSID:109529, http://www.chemspider.com/Chemical-Structure.109529.html (accessed 00:24, May 24, 2013) Copied

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

ACD/LogP:	2.477	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	2.48	ACD/LogD (pH 7.4):	2.48
ACD/BCF (pH 5.5):	44.95	ACD/BCF (pH 7.4):	44.95
ACD/KOC (pH 5.5):	530.44	ACD/KOC (pH 7.4):	530.44
#H bond acceptors:	6	#H bond donors:	0
#Freely Rotating Bonds:	5	Polar Surface Area:	63.22 Å²
Index of Refraction:	1.575	Molar Refractivity:	90.921 cm³
Molar Volume:	275.283 cm³	Polarizability:	36.044 10^-24cm³
Surface Tension:	44.3040008544922 dyne/cm	Density:	1.244 g/cm³
Flash Point:	237.492 °C	Enthalpy of Vaporization:	81.369 kJ/mol
Boiling Point:	536.893 °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) =  3.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  454.47  (Adapted Stein & Brown method)
    Melting Pt (deg C):  191.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.86E-009  (Modified Grain method)
    Subcooled liquid VP: 3.81E-007 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):  15.52
       log Kow used: 3.10 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.24924 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Ketones
       Vinyl/Allyl Ethers

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.42E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.991E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.10  (KowWin est)
  Log Kaw used:  -10.743  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.843
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.3790
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1515  (months      )
   Biowin4 (Primary Survey Model) :   3.7221  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8365
   Biowin6 (MITI Non-Linear Model):   0.6892
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6835
 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):  5.08E-005 Pa (3.81E-007 mm Hg)
  Log Koa (Koawin est  ): 13.843
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0591 
       Octanol/air (Koa) model:  17.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.681 
       Mackay model           :  0.825 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 233.7334 E-12 cm3/molecule-sec
      Half-Life =     0.046 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.549 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    10.500000 E-17 cm3/molecule-sec
      Half-Life =     0.109 Days (at 7E11 mol/cm3)
      Half-Life =      2.619 Hrs
   Fraction sorbed to airborne particulates (phi): 0.753 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.568E+004
      Log Koc:  4.552 

 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 = 0.847 (BCF = 7.031)
       log Kow used: 3.10 (estimated)

 Volatilization from Water:
    Henry LC:  4.42E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.451E+009  hours   (1.021E+008 days)
    Half-Life from Model Lake : 2.674E+010  hours   (1.114E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               6.64  percent
    Total biodegradation:        0.13  percent
    Total sludge adsorption:     6.50  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       8.8e-006        0.774        1000       
   Water     10.3            1.44e+003    1000       
   Soil      89.4            2.88e+003    1000       
   Sediment  0.327           1.3e+004     0          
     Persistence Time: 2.72e+003 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
Nuclear Hormone Receptors	PPARg, peroxisome proliferator activated receptor	1fm9	0.05
Other Enzymes	HIVRT, HIV reverse transcriptase	1rt1	0.02
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	0.02
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
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.01
Other Enzymes	HIVPR, HIV protease	1hpx	0.01
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	0.01
Nuclear Hormone Receptors	ER, estrogen receptor; antagonist	3ert	0.01
Other Enzymes	PNP, purine nucleoside phosphorylase	1b8o	0.00
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.00
Folate Enzymes	DHFR, dihydrofolate reductase	3dfr	0.00
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00
Other Enzymes	AChE, acetylcholinesterase	1eve	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.00
Serine Proteases	Thrombin	1ba8	0.00
Serine Proteases	FXa, factor Xa	1f0r	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00

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5,6,7,8-Tetramethoxyflavone

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5,6,7,8-Tetramethoxyflavone

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