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Compound Detail

CHEMBL691

ETHINYL ESTRADIOL
💊 Approved Drug
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💊 Approved Drug
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C

Basic Information

ChEMBL ID CHEMBL691
Name ETHINYL ESTRADIOL
Phase Approved
Structure Type MOL
InChI Key BFPYWIDHMRZLRN-SLHNCBLASA-N
Therapeutic ✓ Yes

Known Names

17-ethinylestradiol 17alpha-ethinylestradiol Enovid Enovid-e Estinyl Ethinyl estradiol Ethinyl estradiol component of alesse Ethinyl estradiol component of altavera Ethinyl estradiol component of annovera Ethinyl estradiol component of aranelle Ethinyl estradiol component of aviane Ethinyl estradiol component of balcoltra +18 more
29
Targets
67
Activities
4
Assay Types
13
PK Parameters
20
Publications
30
Known Names
20
Indications
1
Mechanisms

Molecular Properties

296.4
MW (Da)
3.61
ALogP
2
HBA
2
HBD
40.5
PSA (Ų)
0.72
QED
0
Ro5 Violations
0
Rot. Bonds

Drug Information

Molecule Type Small molecule
First Approval 1982
Availability Prescription
Chirality Single Enantiomer

Routes of Administration

Oral Topical

Flags

Natural Product
USAN Stem estr-

Extended Properties

Molecular Formula C20H24O2
MW 296.41
Aromatic Rings 1
Heavy Atoms 22
NP-Likeness 1.59

Mechanism of Action

Mechanism Action Type Target Direct Efficacy
Estrogen receptor alpha agonist AGONIST Estrogen receptor

Indications

Acne Vulgaris Neoplasms Neoplasms Amenorrhea Anorexia Nervosa Bone Diseases, Metabolic Breast Neoplasms Dysmenorrhea Endometriosis Migraine Disorders Neural Tube Defects Polycystic Ovary Syndrome Pregnancy Turner Syndrome Bulimia Bulimia Nervosa Depressive Disorder Endometrial Neoplasms Hidradenitis Suppurativa Hyperandrogenism

ATC Classification

G03CA01
ethinylestradiol
Level 1: GENITO URINARY SYSTEM AND SEX HORMONES
Level 2: SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
L02AA03
ethinylestradiol
Level 1: ANTINEOPLASTIC AND IMMUNOMODULATING AGENTS
Level 2: ENDOCRINE THERAPY

Activity Summary

IC50 34 meas. best 9.62
Ki 26 meas. best 9.89
EC50 4 meas. best 9.8
Kd 3 meas. best 8.37

Target Activity Profile

Target Type Best pChEMBL Mean pChEMBL Best (nM) # Data
Estrogen receptor
CHEMBL206
Ki 9.89 9.89 0.1 1
Estrogen receptor beta
CHEMBL242
EC50 9.8 9.615 0.2 2
Unchecked
CHEMBL612545
IC50 9.62 6.06 0.2 4
Estrogen receptor
CHEMBL206
EC50 9.52 9.52 0.3 1
Estrogen receptor
CHEMBL206
IC50 9.35 8.7167 0.4 3
Sulfotransferase 1A1
CHEMBL1743291
Kd 8.37 7.335 4.3 2
Aldehyde oxidase
CHEMBL3257
IC50 8.3 7.27 5.0 2
Estrogen receptor beta
CHEMBL242
IC50 8.09 7.92 8.1 2
Sulfotransferase 1A1
CHEMBL1743291
Ki 8.05 7.8667 8.9 3
Sulfotransferase 1A1
CHEMBL1743291
IC50 7.7 7.7 20.0 1
Sodium-dependent serotonin transporter
CHEMBL228
Ki 7.54 7.54 29.0 1
Sodium-dependent serotonin transporter
CHEMBL228
IC50 7.27 7.27 54.0 1
Progesterone receptor
CHEMBL1909044
Ki 6.86 6.86 139.0 1
Sex hormone-binding globulin
CHEMBL3305
Kd 6.81 6.81 154.9 1
Aldehyde oxidase
CHEMBL3257
Ki 6.37 5.905 430.0 2
Sodium-dependent dopamine transporter
CHEMBL238
Ki 6.35 6.35 444.0 1
Sodium-dependent dopamine transporter
CHEMBL238
IC50 6.25 6.25 559.0 1
Glucocorticoid receptor
CHEMBL2034
Ki 6.11 6.11 777.0 1
Cytochrome P450 2B6
CHEMBL4729
Ki 6.1 6.075 800.0 2
Sodium-dependent noradrenaline transporter
CHEMBL222
Ki 6.02 6.02 951.0 1
Sodium-dependent noradrenaline transporter
CHEMBL222
IC50 6.02 6.02 959.0 1
Progesterone receptor
CHEMBL1909044
IC50 5.97 5.97 1067.0 1
Androgen receptor
CHEMBL3072
Ki 5.96 5.96 1090.0 1
5-hydroxytryptamine receptor 4
CHEMBL5017
Ki 5.88 5.88 1326.0 1
Androgen receptor
CHEMBL3072
IC50 5.79 5.44 1634.0 2
Glucocorticoid receptor
CHEMBL2034
IC50 5.77 5.77 1710.0 1
Solute carrier family 22 member 2
CHEMBL1743122
IC50 5.66 5.66 2200.0 1
HEK293
CHEMBL614818
EC50 5.52 5.52 3000.0 1
Nuclear receptor subfamily 1 group I member 3
CHEMBL5503
IC50 5.52 5.52 3000.0 1
Polyunsaturated fatty acid lipoxygenase ALOX15
CHEMBL4358
IC50 5.25 5.25 5678.0 1
Unchecked
CHEMBL612545
Ki 5.17 4.7875 6793.0 4
5-hydroxytryptamine receptor 4
CHEMBL5017
IC50 5.1 5.1 7953.0 1
Kappa-type opioid receptor
CHEMBL237
Ki 4.99 4.99 10358.0 1
Mu-type opioid receptor
CHEMBL233
Ki 4.96 4.96 10867.0 1
Cytochrome P450 2B1
CHEMBL3335
Ki 4.96 4.96 11000.0 1
Adenosine receptor A2a
CHEMBL251
Ki 4.93 4.93 11751.0 1
Bile salt export pump
CHEMBL6020
IC50 4.85 4.85 14000.0 1
Cytochrome P450 3A4
CHEMBL340
Ki 4.75 4.75 18000.0 1
Adenosine receptor A3
CHEMBL256
Ki 4.73 4.73 18610.0 1
Multidrug and toxin extrusion protein 2
CHEMBL1743127
IC50 4.7 4.7 20200.0 1
Adenosine receptor A2a
CHEMBL251
IC50 4.68 4.68 20931.0 1
Multidrug and toxin extrusion protein 1
CHEMBL1743126
IC50 4.68 4.68 21100.0 1
UDP-glucuronosyltransferase 1A1
CHEMBL1287617
IC50 4.68 4.52 21000.0 2
Kappa-type opioid receptor
CHEMBL237
IC50 4.59 4.59 25894.0 1
Mu-type opioid receptor
CHEMBL233
IC50 4.57 4.57 26769.0 1
MDA-MB-231
CHEMBL400
IC50 4.48 4.48 32900.0 1
Adenosine receptor A3
CHEMBL256
IC50 4.48 4.48 32925.0 1

Pharmacokinetic Data

Parameter Value Units Species
CL 64.0 mL.min-1.kg-1 Rattus norvegicus
CL 5.0 mL.min-1.kg-1 Homo sapiens
CL 7.0 mL.min-1.kg-1 Homo sapiens
CL 17.0 mL.min-1.kg-1 Macaca
CL 25.0 mL.min-1.kg-1 Canis lupus familiaris
CL 0.00034 mL.min-1.g-1 Homo sapiens
CL 8.7e-05 mL.min-1.g-1 Homo sapiens
CL 0.427 uL/min Homo sapiens
F 49.0 % Homo sapiens
F 40.0 % Homo sapiens
Fu 0.014 - Homo sapiens
MRT 11.0 hr Homo sapiens
T1/2 9.7 hr Homo sapiens

Activity Data Samples

Top measurements by pChEMBL value

Target Type Rel. Value Units pChEMBL Assay PubMed
Estrogen receptor Ki = 0.128 nM 9.89 DRUGMATRIX: Estrogen ERalpha radioligand binding (ligand: [3H] Estradiol) -
Estrogen receptor beta EC50 = 0.16 nM 9.8 Agonist activity at full length human ERbeta receptor assessed as transcriptiona... 32912438
Unchecked IC50 = 0.24 nM 9.62 Displacement of 17beta-[3H]estradiol from rabbit uterine estrogen receptor after... 536998
Estrogen receptor EC50 = 0.3 nM 9.52 Agonist activity at full length human ERalpha receptor assessed as transcription... 32912438
Estrogen receptor beta EC50 = 0.37 nM 9.43 Displacement of fluormone from GST-tagged ERbeta receptor LBD (unknown origin) m... 32912438
Estrogen receptor IC50 = 0.448 nM 9.35 DRUGMATRIX: Estrogen ERalpha radioligand binding (ligand: [3H] Estradiol) -
Estrogen receptor IC50 = 2.0 nM 8.7 Binding affinity to ERalpha 16722623
Sulfotransferase 1A1 Kd = 4.3 nM 8.37 Binding affinity to human SULT1A1 expressed in Escherichia coli assessed as chan... 22593037
Aldehyde oxidase IC50 = 5.0 nM 8.3 Inhibition of human liver AOX using phthalazine as substrate incubated for 2.5 m... 31877540
Estrogen receptor IC50 = 8.035 nM 8.1 Binding affinity to ERalpha by fluorescence polarization-based competitive bindi... 20408532
Estrogen receptor beta IC50 = 8.1 nM 8.09 Binding affinity to ERbeta 16722623
Sulfotransferase 1A1 Ki = 8.9 nM 8.05 Inhibition of human SULT1A1 expressed in Escherichia coli assessed as p-nitrophe... 22593037
Sulfotransferase 1A1 Ki = 14.9 nM 7.83 Inhibition of human SULT1A1 expressed in Escherichia coli assessed as 17beta-est... 22593037
Estrogen receptor beta IC50 = 17.78 nM 7.75 Binding affinity to ERbeta by fluorescence polarization-based competitive bindin... 20408532
Sulfotransferase 1A1 Ki = 19.0 nM 7.72 Inhibition of human SULT1A1 expressed in Escherichia coli assessed as beta-napht... 22593037
Sulfotransferase 1A1 IC50 = 20.0 nM 7.7 Inhibition of SULT1A1 in human MCF7 cells assessed as 17beta-estradiol sulfation 22593037
Sodium-dependent serotonin transporter Ki = 29.0 nM 7.54 DRUGMATRIX: Transporter, Serotonin (5-Hydroxytryptamine) (SERT) radioligand bind... -
Sodium-dependent serotonin transporter IC50 = 54.0 nM 7.27 DRUGMATRIX: Transporter, Serotonin (5-Hydroxytryptamine) (SERT) radioligand bind... -
Progesterone receptor Ki = 139.0 nM 6.86 DRUGMATRIX: Progesterone radioligand binding (ligand: [3H] R-5020) -
Sex hormone-binding globulin Kd = 154.88 nM 6.81 Displacement of [3H]5alpha dihydrotestosterone from human sex hormone binding gl... 18330978

Literature References

PubMed DOI Target Context # Activities
- 10.6019/CHEMBL3885861 Rattus norvegicus 1455
- 10.6019/CHEMBL3885881 Rattus norvegicus 550
18973326 10.1021/jm800337r Nuclear receptor subfamily 1 group I member 3 40
22593037 10.1124/dmd.112.045583 Sulfotransferase 1A1 9
- 10.6019/CHEMBL4689842 U2OS 9
23077105 10.1124/dmd.112.047357 Estrogen receptor 9
2738897 10.1021/jm00127a040 Estrogen receptor 8
- 10.6019/CHEMBL4689842 Fibroblast 8
15920768 10.1002/jps.20373 ADMET 8
23077105 10.1124/dmd.112.047357 Rattus norvegicus 5
16248836 10.2174/138920005774330639 Cytochrome P450 2B6 5
17902637 10.1021/jm701013k Mus musculus 5
16722623 10.1021/jm060353u Estrogen receptor 5
21030469 10.1124/dmd.110.035030 UDP-glucuronosyltransferase 1A1 5
15781124 10.1016/j.pharmthera.2004.10.013 UDP-glucuronosyltransferase 1A1 4
17537919 10.1073/pnas.0701421104 Rattus norvegicus 4
16248836 10.2174/138920005774330639 Cytochrome P450 3A4 4
15456246 10.1021/jm049719y Rattus norvegicus 4
18426954 10.1124/dmd.108.020479 ADMET 4
16019946 10.1080/00498250400028197 ADMET 4

Data from ChEMBL 36 via Core Engine