Skip to main content
Free research Free research Free compound review with research home and workspace preview
Quick search ChEMBL 36
Compound Detail

CHEMBL1186579

METHYLNALTREXONE
💊 Approved Drug
Enter ChEMBL ID:
Free Research Context This compound will appear in recent viewed items on the research home for this browser.
Research home View demo workspace
💊 Approved Drug
C[N+]1(CC2CC2)CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@@]3(O)[C@H]1C5

Basic Information

ChEMBL ID CHEMBL1186579
Name METHYLNALTREXONE
Phase Approved
Structure Type MOL
InChI Key JVLBPIPGETUEET-GAAHOAFPSA-O
Therapeutic ✓ Yes

Known Names

Methylnaltrexone Methylnaltrexone cation Methylnaltrexone ion MRZ-2663
4
Targets
9
Activities
3
Assay Types
8
PK Parameters
20
Publications
4
Known Names
9
Indications

Molecular Properties

356.4
MW (Da)
1.67
ALogP
4
HBA
2
HBD
66.8
PSA (Ų)
0.79
QED
0
Ro5 Violations
2
Rot. Bonds

Drug Information

Molecule Type Small molecule
First Approval 2008
Availability Prescription
Chirality Racemic

Routes of Administration

Oral Parenteral

Flags

Natural Product
USAN Year 2006

Extended Properties

Molecular Formula C21H26NO4+
MW 356.44
Aromatic Rings 1
Heavy Atoms 26
NP-Likeness 1.89

Indications

Constipation Enteral Nutrition Ileus Gastroparesis Pancreatitis Intestinal Obstruction Kidney Diseases Liver Diseases Opioid-Related Disorders

Activity Summary

Ki 7 meas. best 8.26
EC50 1 meas. best 8.17
IC50 1 meas.

Target Activity Profile

Target Type Best pChEMBL Mean pChEMBL Best (nM) # Data
Mu-type opioid receptor
CHEMBL233
Ki 8.26 8.12 5.5 3
Kappa-type opioid receptor
CHEMBL237
EC50 8.17 8.17 6.7 1
Kappa-type opioid receptor
CHEMBL3952
Ki 7.7 7.7 19.9 1
Kappa-type opioid receptor
CHEMBL237
Ki 7.49 7.49 32.1 1
Delta-type opioid receptor
CHEMBL236
Ki 6.3 5.88 501.2 2

Pharmacokinetic Data

Parameter Value Units Species
CL 22.0 mL.min-1.kg-1 Homo sapiens
CL 32.0 mL.min-1.g-1 Homo sapiens
Cmax 140.0 nM Homo sapiens
MRT 2.0 hr Homo sapiens
T1/2 2.5 hr Homo sapiens
T1/2 1.5 hr Rattus norvegicus
T1/2 1.5 hr Canis lupus familiaris
T1/2 1.5 hr Homo sapiens

Activity Data Samples

Top measurements by pChEMBL value

Literature References

PubMed DOI Target Context # Activities
31597043 10.1021/acs.jmedchem.9b01301 Solute carrier family 22 member 1 11
31597043 10.1021/acs.jmedchem.9b01301 Unchecked 9
18426954 10.1124/dmd.108.020479 ADMET 4
31597043 10.1021/acs.jmedchem.9b01301 ADMET 4
28499731 10.1016/j.bmcl.2017.04.092 Liver 3
36179400 10.1016/j.ejmech.2022.114785 Kappa-type opioid receptor 2
35255683 10.1021/acs.jmedchem.1c02185 Mus musculus 2
35255683 10.1021/acs.jmedchem.1c02185 Unchecked 2
35255683 10.1021/acs.jmedchem.1c02185 Kappa-type opioid receptor 2
35255683 10.1021/acs.jmedchem.1c02185 Delta-type opioid receptor 2
35255683 10.1021/acs.jmedchem.1c02185 Mu-type opioid receptor 2
- 10.6019/CHEMBL4808148 Histone deacetylase 6 2
- 10.6019/CHEMBL4651402 SARS-CoV-2 2
31597043 10.1021/acs.jmedchem.9b01301 Solute carrier family 22 member 3 2
28499731 10.1016/j.bmcl.2017.04.092 Mu-type opioid receptor 2
23116124 10.1021/jm301247n Unchecked 2
31597043 10.1021/acs.jmedchem.9b01301 No relevant target 1
- 10.1101/2020.04.21.054387 SARS-CoV-2 1
28499731 10.1016/j.bmcl.2017.04.092 Kappa-type opioid receptor 1
28499731 10.1016/j.bmcl.2017.04.092 Delta-type opioid receptor 1

Data from ChEMBL 36 via Core Engine