17alpha-Estriol

Identification

Name
17alpha-Estriol
Accession Number
DB07702
Description
Not Available
Type
Small Molecule
Groups
Experimental
Structure
Thumb
Weight
Average: 288.3814
Monoisotopic: 288.172544634
Chemical Formula
C18H24O3
Synonyms
Not Available
External IDs
  • NSC-84051

Pharmacology

Pharmacology
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Indication
Not Available
Contraindications & Blackbox Warnings
Contraindications
Contraindications & Blackbox Warnings
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Pharmacodynamics
Not Available
Mechanism of action
TargetActionsOrganism
UNuclear receptor coactivator 5Not AvailableHumans
UEstrogen receptor betaNot AvailableHumans
Absorption
Not Available
Volume of distribution
Not Available
Protein binding
Not Available
Metabolism
Not Available
Route of elimination
Not Available
Half-life
Not Available
Clearance
Not Available
Adverse Effects
Medicalerrors
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Toxicity
Not Available
Affected organisms
Not Available
Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
Not Available
Food Interactions
Not Available

Categories

Drug Categories
Not Available
Chemical TaxonomyProvided by Classyfire
Description
This compound belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane.
Kingdom
Organic compounds
Super Class
Lipids and lipid-like molecules
Class
Steroids and steroid derivatives
Sub Class
Estrane steroids
Direct Parent
Estrogens and derivatives
Alternative Parents
3-hydroxysteroids / 17-hydroxysteroids / 16-alpha-hydroxysteroids / Phenanthrenes and derivatives / Tetralins / 1-hydroxy-2-unsubstituted benzenoids / Secondary alcohols / Cyclic alcohols and derivatives / 1,2-diols / Hydrocarbon derivatives
Substituents
1,2-diol / 1-hydroxy-2-unsubstituted benzenoid / 16-alpha-hydroxysteroid / 16-hydroxysteroid / 17-hydroxysteroid / 3-hydroxysteroid / Alcohol / Aromatic homopolycyclic compound / Benzenoid / Cyclic alcohol
Molecular Framework
Aromatic homopolycyclic compounds
External Descriptors
C18 steroids (estrogens) and derivatives (LMST02010049)

Chemical Identifiers

UNII
4G7IHY560Z
CAS number
1228-72-4
InChI Key
PROQIPRRNZUXQM-PNVOZDDCSA-N
InChI
InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17-,18+/m1/s1
IUPAC Name
(1S,2R,3aS,3bR,9bS,11aS)-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-1,2,7-triol
SMILES
[H][C@@]12C[C@@H](O)[C@@H](O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C=C3

References

General References
Not Available
PubChem Compound
256737
PubChem Substance
99444173
ChemSpider
225189
ChEBI
42156
ChEMBL
CHEMBL1232445
ZINC
ZINC000003881360
PDBe Ligand
E3O
PDB Entries
2j7y

Clinical Trials

Clinical Trials
PhaseStatusPurposeConditionsCount

Pharmacoeconomics

Manufacturers
Not Available
Packagers
Not Available
Dosage Forms
Not Available
Prices
Not Available
Patents
Not Available

Properties

State
Solid
Experimental Properties
Not Available
Predicted Properties
PropertyValueSource
Water Solubility0.119 mg/mLALOGPS
logP2.54ALOGPS
logP2.67ChemAxon
logS-3.4ALOGPS
pKa (Strongest Acidic)10.33ChemAxon
pKa (Strongest Basic)-3.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area60.69 Å2ChemAxon
Rotatable Bond Count0ChemAxon
Refractivity81.27 m3·mol-1ChemAxon
Polarizability32.95 Å3ChemAxon
Number of Rings4ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted ADMET Features
PropertyValueProbability
Human Intestinal Absorption+0.9966
Blood Brain Barrier+0.7057
Caco-2 permeable+0.7591
P-glycoprotein substrateSubstrate0.7862
P-glycoprotein inhibitor INon-inhibitor0.9208
P-glycoprotein inhibitor IINon-inhibitor0.9805
Renal organic cation transporterNon-inhibitor0.8619
CYP450 2C9 substrateNon-substrate0.7536
CYP450 2D6 substrateNon-substrate0.7993
CYP450 3A4 substrateSubstrate0.6892
CYP450 1A2 substrateNon-inhibitor0.6618
CYP450 2C9 inhibitorNon-inhibitor0.9399
CYP450 2D6 inhibitorNon-inhibitor0.9619
CYP450 2C19 inhibitorNon-inhibitor0.7086
CYP450 3A4 inhibitorNon-inhibitor0.8932
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.9152
Ames testNon AMES toxic0.9133
CarcinogenicityNon-carcinogens0.9147
BiodegradationNot ready biodegradable0.9811
Rat acute toxicity1.9758 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.948
hERG inhibition (predictor II)Inhibitor0.7684
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397)

Spectra

Mass Spec (NIST)
Not Available
Spectra
SpectrumSpectrum TypeSplash Key
Predicted GC-MS Spectrum - GC-MSPredicted GC-MSNot Available
Predicted MS/MS Spectrum - 10V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 20V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 40V, Positive (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 10V, Negative (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 20V, Negative (Annotated)Predicted LC-MS/MSNot Available
Predicted MS/MS Spectrum - 40V, Negative (Annotated)Predicted LC-MS/MSNot Available

Targets

Drugtargets
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Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Poly(a) rna binding
Specific Function
Nuclear receptor coregulator that can have both coactivator and corepressor functions. Interacts with nuclear receptors for steroids (ESR1 and ESR2) independently of the steroid binding domain (AF-...
Gene Name
NCOA5
Uniprot ID
Q9HCD5
Uniprot Name
Nuclear receptor coactivator 5
Molecular Weight
65535.8 Da
References
  1. Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [PubMed:10592235]
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Zinc ion binding
Specific Function
Nuclear hormone receptor. Binds estrogens with an affinity similar to that of ESR1, and activates expression of reporter genes containing estrogen response elements (ERE) in an estrogen-dependent m...
Gene Name
ESR2
Uniprot ID
Q92731
Uniprot Name
Estrogen receptor beta
Molecular Weight
59215.765 Da
References
  1. Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42. [PubMed:10592235]

Drug created on September 15, 2010 21:25 / Updated on June 12, 2020 16:52