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Thiophene, 2-methoxy-3-methyl-

ChemSpider ID: 125114
Molecular Formula: C₆H₈OS
Monoisotopic mass: 128.029587 Da
Systematic name

2-Methoxy-3-methylthiophene
SMILES and InChIs

SMILES:

O(c1sccc1C)C Copied

Std. InChI:

InChI=1S/C6H8OS/c1-5-3-4-8-6(5)7-2/h3-4H,1-2H3 Copied

Std. InChIKey:

VLZVRTHPHPXHIK-UHFFFAOYSA-N Copied

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

ACD/LogP:	2.122	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	2.12	ACD/LogD (pH 7.4):	2.12
ACD/BCF (pH 5.5):	24.16	ACD/BCF (pH 7.4):	24.16
ACD/KOC (pH 5.5):	340.12	ACD/KOC (pH 7.4):	340.12
#H bond acceptors:	1	#H bond donors:	0
#Freely Rotating Bonds:	1	Polar Surface Area:	37.47 Å²
Index of Refraction:	1.518	Molar Refractivity:	36.141 cm³
Molar Volume:	119.19 cm³	Polarizability:	14.327 10^-24cm³
Surface Tension:	32.5750007629395 dyne/cm	Density:	1.076 g/cm³
Flash Point:	53.367 °C	Enthalpy of Vaporization:	38.465 kJ/mol
Boiling Point:	164.631 °C at 760 mmHg	Vapour Pressure:	2.55699992179871 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) =  2.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  181.14  (Adapted Stein & Brown method)
    Melting Pt (deg C):  8.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.913  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  768.6
       log Kow used: 2.44 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  770.15 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.91E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.004E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.44  (KowWin est)
  Log Kaw used:  -2.107  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.547
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8731
   Biowin2 (Non-Linear Model)     :   0.9823
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7829  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6714  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5843
   Biowin6 (MITI Non-Linear Model):   0.6714
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3719
 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):  111 Pa (0.83 mm Hg)
  Log Koa (Koawin est  ): 4.547
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.71E-008 
       Octanol/air (Koa) model:  8.65E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.79E-007 
       Mackay model           :  2.17E-006 
       Octanol/air (Koa) model:  6.92E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  22.4861 E-12 cm3/molecule-sec
      Half-Life =     0.476 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.708 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.57E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  105.6
      Log Koc:  2.024 

 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 = 1.180 (BCF = 15.13)
       log Kow used: 2.44 (estimated)

 Volatilization from Water:
    Henry LC:  0.000191 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      4.626  hours
    Half-Life from Model Lake :      145.4  hours   (6.058 days)

 Removal In Wastewater Treatment:
    Total removal:              11.15  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.67  percent
    Total to Air:                8.39  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.02            11.4         1000       
   Water     25.4            360          1000       
   Soil      72.4            720          1000       
   Sediment  0.161           3.24e+003    0          
     Persistence Time: 349 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	SRC, tyrosine kinase SRC	2src	0.01
Other Enzymes	HMGR, hydroxymethylglutaryl-CoA reductase	1hw8	0.01
Other Enzymes	HIVPR, HIV protease	1hpx	0.01
Metalloenzymes	PDE5, phosphodiesterase 5	1xp0	0.01
Serine Proteases	Thrombin	1ba8	0.01
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Other Enzymes	AChE, acetylcholinesterase	1eve	0.01
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	0.01
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.01
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.00
Other Enzymes	PNP, purine nucleoside phosphorylase	1b8o	0.00
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	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	InhA, enoyl ACP reductase	1p44	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Kinases	HSP90, human heat shock protein 90	1uy6	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Serine Proteases	FXa, factor Xa	1f0r	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00

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Thiophene, 2-methoxy-3-methyl-

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Std. InChI:

Std. InChIKey:

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Thiophene, 2-methoxy-3-methyl-

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