2D

3D

Save

Zoom
- Double-bond stereo

trans-4-Ethoxy-3',4'-dimethoxychalcone

ChemSpider ID: 4497815
Molecular Formula: C₁₉H₂₀O₄
Average mass: 312.359711 Da
Monoisotopic mass: 312.136169 Da
Systematic name

(2E)-1-(3,4-Dimethoxyphenyl)-3-(4-ethoxyphenyl)-2-propen-1-one
SMILES and InChIs

SMILES:

O=C(c1cc(OC)c(OC)cc1)\C=C\c2ccc(OCC)cc2 Copied

Std. InChI:

InChI=1S/C19H20O4/c1-4-23-16-9-5-14(6-10-16)7-11-17(20)15-8-12-18(21-2)19(13-15)22-3/h5-13H,4H2,1-3H3/b11-7+ Copied

Std. InChIKey:

FBLJKAQSLLTBRQ-YRNVUSSQSA-N Copied
Cite this record
CSID:4497815, http://www.chemspider.com/Chemical-Structure.4497815.html (accessed 07:58, Jun 18, 2013) Copied

Names and Identifiers

ChemSpider Searches

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

ACD/LogP:	3.447	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	3.45	ACD/LogD (pH 7.4):	3.45
ACD/BCF (pH 5.5):	245.45	ACD/BCF (pH 7.4):	245.45
ACD/KOC (pH 5.5):	1787.87	ACD/KOC (pH 7.4):	1787.87
#H bond acceptors:	4	#H bond donors:	0
#Freely Rotating Bonds:	7	Polar Surface Area:	44.76 Å²
Index of Refraction:	1.573	Molar Refractivity:	91.777 cm³
Molar Volume:	278.338 cm³	Polarizability:	36.383 10^-24cm³
Surface Tension:	40.1780014038086 dyne/cm	Density:	1.122 g/cm³
Flash Point:	214.092 °C	Enthalpy of Vaporization:	75.105 kJ/mol
Boiling Point:	485.532 °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) =  3.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  414.26  (Adapted Stein & Brown method)
    Melting Pt (deg C):  154.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.78E-007  (Modified Grain method)
    Subcooled liquid VP: 3.73E-006 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):  5.103
       log Kow used: 3.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.1411 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.37E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.434E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.87  (KowWin est)
  Log Kaw used:  -8.584  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.454
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0014
   Biowin2 (Non-Linear Model)     :   0.9923
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3120  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6062  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6068
   Biowin6 (MITI Non-Linear Model):   0.4244
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0495
 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):  0.000497 Pa (3.73E-006 mm Hg)
  Log Koa (Koawin est  ): 12.454
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00603 
       Octanol/air (Koa) model:  0.698 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.179 
       Mackay model           :  0.325 
       Octanol/air (Koa) model:  0.982 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  64.7464 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant =  67.4064 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    1.982 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    1.904 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.050000 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     1.091 Days (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =    13.097 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 0.252 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.072E+004
      Log Koc:  4.030 

 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 = 1.443 (BCF = 27.76)
       log Kow used: 3.87 (estimated)

 Volatilization from Water:
    Henry LC:  6.37E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.624E+007  hours   (6.769E+005 days)
    Half-Life from Model Lake : 1.772E+008  hours   (7.384E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              24.50  percent
    Total biodegradation:        0.28  percent
    Total sludge adsorption:    24.23  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       0.000584        3.44         1000       
   Water     11.1            900          1000       
   Soil      86.9            1.8e+003     1000       
   Sediment  1.94            8.1e+003     0          
     Persistence Time: 1.87e+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	0.03
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
Other Enzymes	HIVPR, HIV protease	1hpx	0.01
Kinases	HSP90, human heat shock protein 90	1uy6	0.01
Metalloenzymes	PDE5, phosphodiesterase 5	1xp0	0.01
Serine Proteases	Thrombin	1ba8	0.01
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	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
Nuclear Hormone Receptors	GR, glucocorticoid receptor	1m2z	0.00
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.00
Folate Enzymes	DHFR, dihydrofolate reductase	3dfr	0.00
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.00
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Other Enzymes	AChE, acetylcholinesterase	1eve	0.00
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Serine Proteases	Trypsin	1bju	0.00
Other Enzymes	InhA, enoyl ACP reductase	1p44	0.00
Other Enzymes	ALR2, aldose reductase	1ah3	0.00
Other Enzymes	COX-1, cyclooxygenase-1	1p4g	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00
Serine Proteases	FXa, factor Xa	1f0r	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00

Want to comment
on this record?

trans-4-Ethoxy-3',4'-dimethoxychalcone

SMILES:

Std. InChI:

Std. InChIKey:

Names and Identifiers

ChemSpider Searches

Search ChemSpider for:

Search external sites for this structure:

Properties

Spectra

CIFs

Articles

Chemical Vendors

Data Sources

Patents

RSC Databases

Pharmacological Links

SimBioSys LASSO

Want to commenton this record?

trans-4-Ethoxy-3',4'-dimethoxychalcone

SMILES:

Std. InChI:

Std. InChIKey:

Search ChemSpider for:

Search external sites for this structure:

Want to comment
on this record?