S-[(7R,8R,10R,13S,17R)-10,13-Dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl] ethanethioate

Molecular FormulaC₂₄H₃₂O₄S
Average mass416.573 Da
Monoisotopic mass416.202118 Da
ChemSpider ID17460034

- 5 of 7 defined stereocentres

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Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Ethanethioic acid, S-[(7R,8R,10R,13S,17R)-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-10,13-dimethyl-3,5'-dioxospiro[17H-cyclopenta[a]phenanthrene-17,2'(3'H)-furan]-7-yl] ester [ACD/Index Name]

S-[(7R,8R,10R,13S,17R)-10,13-Dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl] ethanethioate [ACD/IUPAC Name]

33784-05-3 [RN]

7b-Spironolactone

S-((2'R,7R,8R,10R,13S)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate

S-(2'R,7R,8R,10R,13S)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl ethanethioate

S-[(7R,8R,10R,13S,17R)-10,13-dimethyl-3,5'-dioxospiro[2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-17,2'-oxolane]-7-yl] ethanethioate

spironolactone [BAN] [INN] [JAN] [Wiki]

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density:	1.2±0.1 g/cm³
Boiling Point:	597.0±50.0 °C at 760 mmHg
Vapour Pressure:	0.0±1.7 mmHg at 25°C
Enthalpy of Vaporization:	88.9±3.0 kJ/mol
Flash Point:	302.3±18.1 °C
Index of Refraction:	1.586
Molar Refractivity:	112.7±0.4 cm³
#H bond acceptors:	4
#H bond donors:	0
#Freely Rotating Bonds:	2
#Rule of 5 Violations:	0

ACD/LogP:	3.12
ACD/LogD (pH 5.5):	2.78
ACD/BCF (pH 5.5):	76.20
ACD/KOC (pH 5.5):	773.94
ACD/LogD (pH 7.4):	2.78
ACD/BCF (pH 7.4):	76.20
ACD/KOC (pH 7.4):	773.94
Polar Surface Area:	86 Å²
Polarizability:	44.7±0.5 10^-24cm³
Surface Tension:	50.9±5.0 dyne/cm
Molar Volume:	335.8±5.0 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) =  2.88
    Log Kow (Exper. database match) =  2.78
       Exper. Ref:  Hansch,C et al. (1995)
    Log Kow (Exper. database match) =  2.26
       Exper. Ref:  Hansch,C & Leo,A (1985)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  530.08  (Adapted Stein & Brown method)
    Melting Pt (deg C):  226.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.75E-010  (Modified Grain method)
    MP  (exp database):  134.5 deg C
    Subcooled liquid VP: 4.72E-009 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):  28.38
       log Kow used: 2.26 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  22 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.5645 mg/L
    Wat Sol (Exper. database match) =  22.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.14E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.243E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.26  (exp database)
  Log Kaw used:  -8.332  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.592
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1784
   Biowin2 (Non-Linear Model)     :   0.0115
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7600  (months      )
   Biowin4 (Primary Survey Model) :   2.9931  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3719
   Biowin6 (MITI Non-Linear Model):   0.0347
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6212
 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):  6.29E-007 Pa (4.72E-009 mm Hg)
  Log Koa (Koawin est  ): 10.592
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.77 
       Octanol/air (Koa) model:  0.00959 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.994 
       Mackay model           :  0.997 
       Octanol/air (Koa) model:  0.434 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 113.4687 E-12 cm3/molecule-sec
      Half-Life =     0.094 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.131 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 0.996 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.389E+004
      Log Koc:  4.143 

 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 = 1.040 (BCF = 10.97)
       log Kow used: 2.26 (expkow database)

 Volatilization from Water:
    Henry LC:  1.14E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.048E+007  hours   (4.368E+005 days)
    Half-Life from Model Lake : 1.144E+008  hours   (4.765E+006 days)

 Removal In Wastewater Treatment:
    Total removal:               2.57  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.47  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       0.0145          2.07         1000       
   Water     19.3            1.44e+003    1000       
   Soil      80.6            2.88e+003    1000       
   Sediment  0.109           1.3e+004     0          
     Persistence Time: 1.89e+003 hr

Click to predict properties on the Chemicalize site

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S-[(7R,8R,10R,13S,17R)-10,13-Dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl] ethanethioate

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