InChI=1/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h14,16-19H,4-12H2,1-3H3/t14-,16-,17+,18-,19-,20-,21+/m0/s1

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Inherent Properties, Identifiers and References

ChemSpider ID:	83782
Empirical Formula:	C₂₁H₃₂O₂
Molecular Weight:	316.4776
Nominal Mass:	316 Da
Average Mass:	316.4776 Da
Monoisotopic Mass:	316.24023 Da

Systematic Name:

(5S,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one

SMILES:

O=C4C[C@@H]3CC[C@@H]2[C@H](CC[C@]1(C)[C@@H](C(=O)C)CC[C@H]12)[C@@]3(C)CC4

InChI:

InChI=1/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h14,16-19H,4-12H2,1-3H3/t14-,16-,17+,18-,19-,20-,21+/m0/s1

InChIKey:

XMRPGKVKISIQBV-BJMCWZGWBB

Std. InChI:

InChI=1S/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h14,16-19H,4-12H2,1-3H3/t14-,16-,17+,18-,19-,20-,21+/m0/s1

Std. InChIKey:

XMRPGKVKISIQBV-BJMCWZGWSA-N

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Wikipedia Article(s)

5α-Dihydroprogesterone is a steroid. Category:Steroids Read more... or Edit at Wikipedia...

Associated Data Sources and Commercial Suppliers

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Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

209-297-3 [EINECS/ELINCS]

3,20-Dioxo-5.alpha.-pregnane

3,20-Dioxo-5a-pregnane

4-07-00-02199 (Beilstein Handbook Reference) [Beilstein]

5.alpha.-Dihydroprogesterone

5.alpha.-Pregnane-3,20-dione

566-65-4 [RN]

5a-Dihydroprogesterone

5-alpha-Dihydroprogesterone

5alpha-Pregnan-3,20-dione

More...

Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

Predicted Properties

LogP:	ACD/LogP: 4.31 XLogP: 4.40	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	4.31	ACD/LogD (pH 7.4):	4.31
ACD/BCF (pH 5.5):	1115.92	ACD/BCF (pH 7.4):	1115.92
ACD/KOC (pH 5.5):	5285.61	ACD/KOC (pH 7.4):	5285.61
#H bond acceptors:	2	#H bond donors:	0
#Freely Rotating Bonds:	1	Polar Surface Area:	34.14 Å²
Index of Refraction:	1.515	Molar Refractivity:	91.11 cm³
Molar Volume:	301.8 cm³	Polarizability:	36.11 10^-24cm³
Surface Tension:	37.2 dyne/cm	Density:	1.048 g/cm³
Flash Point:	160.3 °C	Enthalpy of Vaporization:	68.44 kJ/mol
Boiling Point:	429.2 °C at 760 mmHg	Vapour Pressure:	1.43E-07 mmHg at 25°C

EPI Summary

            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  392.30  (Adapted Stein & Brown method)
    Melting Pt (deg C):  144.45  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.24E-007  (Modified Grain method)
    MP  (exp database):  200 deg C
    Subcooled liquid VP: 2.97E-005 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):  10.83
       log Kow used: 3.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  49.126 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.17E-007  atm-m3/mole
   Group Method:   1.07E-009  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.630E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.46  (KowWin est)
  Log Kaw used:  -5.320  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.780
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2427
   Biowin2 (Non-Linear Model)     :   0.0029
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0306  (months      )
   Biowin4 (Primary Survey Model) :   3.0398  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3823
   Biowin6 (MITI Non-Linear Model):   0.0687
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7377
 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):  0.00396 Pa (2.97E-005 mm Hg)
  Log Koa (Koawin est  ): 8.780
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000758 
       Octanol/air (Koa) model:  0.000148 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0266 
       Mackay model           :  0.0571 
       Octanol/air (Koa) model:  0.0117 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  38.4502 E-12 cm3/molecule-sec
      Half-Life =     0.278 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.338 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0419 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7987
      Log Koc:  3.902 

 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 = 1.967 (BCF = 92.61)
       log Kow used: 3.46 (estimated)

 Volatilization from Water:
    Henry LC:  1.07E-009 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 9.734E+005  hours   (4.056E+004 days)
    Half-Life from Model Lake : 1.062E+007  hours   (4.425E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              12.15  percent
    Total biodegradation:        0.18  percent
    Total sludge adsorption:    11.98  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       0.0057          6.68         1000       
   Water     9.44            1.44e+003    1000       
   Soil      89.8            2.88e+003    1000       
   Sediment  0.735           1.3e+004     0          
     Persistence Time: 2.76e+003 hr

SimBioSys LASSO

Descriptors: 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0

Category	Target	PDB Code	LASSO Score
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.88
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.42
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.41
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.24
Metalloenzymes	ADA, adenosine deaminase	1stw	0.14
Nuclear Hormone Receptors	GR, glucocorticoid receptor	1m2z	0.10
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.03
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.03
Nuclear Hormone Receptors	PPARg, peroxisome proliferator activated receptor	1fm9	0.03
Other Enzymes	InhA, enoyl ACP reductase	1p44	0.02
Kinases	SRC, tyrosine kinase SRC	2src	0.01
Serine Proteases	Thrombin	1ba8	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
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	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
Other Enzymes	HIVRT, HIV reverse transcriptase	1rt1	0.00
Serine Proteases	Trypsin	1bju	0.00
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Other Enzymes	ALR2, aldose reductase	1ah3	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Other Enzymes	COX-1, cyclooxygenase-1	1p4g	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; antagonist	3ert	0.00
Kinases	HSP90, human heat shock protein 90	1uy6	0.00
Serine Proteases	FXa, factor Xa	1f0r	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00
Other Enzymes	AChE, acetylcholinesterase	1eve	0.00