ChemSpider 2D Image | (-)-S-Timolol | C13H24N4O3S

(-)-S-Timolol

  • Molecular FormulaC13H24N4O3S
  • Average mass316.420 Da
  • Monoisotopic mass316.156921 Da
  • ChemSpider ID31013
  • defined stereocentres - 1 of 1 defined stereocentres


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(-)-S-Timolol
(-)-S-Timolo
(-)-Timolol
(2S)-1-(tert-Butylamino)-3-{[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy}propan-2-ol
(2S)-1-[(1,1-dimethylethyl)amino]-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol
(2S)-1-[(1,1-diméthyléthyl)amino]-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol
(2S)-1-[(2-Methyl-2-propanyl)amino]-3-{[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]oxy}-2-propanol [ACD/IUPAC Name]
(2S)-1-[(2-Methyl-2-propanyl)amino]-3-{[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]oxy}-2-propanol [German] [ACD/IUPAC Name]
(2S)-1-[(2-Méthyl-2-propanyl)amino]-3-{[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]oxy}-2-propanol [French] [ACD/IUPAC Name]
(S)-1-[(1,1-Dimethylethyl)amino]-3-[[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]oxy]-2-propanol
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

C07141 [DBID]
HSDB 6533 [DBID]
Lopac-T-6394 [DBID]
NCGC00016038-01 [DBID]
NCGC00016798-01 [DBID]
NCGC00022033-02 [DBID]
Prestwick0_000948 [DBID]
Prestwick1_000948 [DBID]
SPBio_003075 [DBID]
Tocris-0649 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      OFF-WHITE POWDER NIH Clinical Collection [SMR001456519]
    • Safety:

      C07AA06 Wikidata Q413994
      S01ED01 Wikidata Q413994
    • Chemical Class:

      The (<stereo>S</stereo>)-(<minus/>) (more active) enantiomer of timolol. A beta-adrenergic antagonist, both the hemihydrate and the maleate salt are used in the mangement of glaucoma, hypertension, an gina pectoris and myocardial infarction, and for the prevention of migraine. ChEBI CHEBI:9599

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point: 487.2±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 79.3±3.0 kJ/mol
Flash Point: 248.5±28.7 °C
Index of Refraction: 1.549
Molar Refractivity: 82.2±0.3 cm3
#H bond acceptors: 7
#H bond donors: 2
#Freely Rotating Bonds: 7
#Rule of 5 Violations: 0
ACD/LogP: 0.68
ACD/LogD (pH 5.5): -1.49
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -0.35
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 2.14
Polar Surface Area: 108 Å2
Polarizability: 32.6±0.5 10-24cm3
Surface Tension: 52.5±3.0 dyne/cm
Molar Volume: 258.5±3.0 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) =  1.75
    Log Kow (Exper. database match) =  1.83
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  422.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  176.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.45E-010  (Modified Grain method)
    MP  (exp database):  202 deg C
    Subcooled liquid VP: 4.04E-008 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):  2741
       log Kow used: 1.83 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.35E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.278E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.83  (exp database)
  Log Kaw used:  -14.750  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.580
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3048
   Biowin2 (Non-Linear Model)     :   0.0123
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1506  (months      )
   Biowin4 (Primary Survey Model) :   3.1899  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2730
   Biowin6 (MITI Non-Linear Model):   0.0339
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.1748
 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):  5.39E-006 Pa (4.04E-008 mm Hg)
  Log Koa (Koawin est  ): 16.580
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.557 
       Octanol/air (Koa) model:  9.33E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.953 
       Mackay model           :  0.978 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 167.1253 E-12 cm3/molecule-sec
      Half-Life =     0.064 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.768 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.965 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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 = 0.059 (BCF = 1.146)
       log Kow used: 1.83 (expkow database)

 Volatilization from Water:
    Henry LC:  4.35E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.394E+013  hours   (9.976E+011 days)
    Half-Life from Model Lake : 2.612E+014  hours   (1.088E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               2.12  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.02  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       1.83e-008       1.54         1000       
   Water     27              1.44e+003    1000       
   Soil      72.9            2.88e+003    1000       
   Sediment  0.0888          1.3e+004     0          
     Persistence Time: 1.74e+003 hr




                    

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