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Compound Detail

CHEMBL1371

CHLORZOXAZONE
💊 Approved Drug
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💊 Approved Drug
O=c1[nH]c2cc(Cl)ccc2o1

Basic Information

ChEMBL ID CHEMBL1371
Name CHLORZOXAZONE
Phase Approved
Structure Type MOL
InChI Key TZFWDZFKRBELIQ-UHFFFAOYSA-N
Therapeutic ✓ Yes

Known Names

Chlorzoxazone Clorzoxazona NSC-26189 Paraflex Parafon Parafon forte dsc Parafon-forte Strifon Strifon forte dsc
4
Targets
4
Activities
1
Assay Types
3
PK Parameters
20
Publications
9
Known Names
1
Mechanisms

Molecular Properties

169.6
MW (Da)
1.77
ALogP
2
HBA
1
HBD
46.0
PSA (Ų)
0.65
QED
0
Ro5 Violations
0
Rot. Bonds

Drug Information

Molecule Type Small molecule
First Approval 1958
Availability Prescription
Chirality Achiral

Routes of Administration

Oral

Flags

Natural Product

Extended Properties

Molecular Formula C7H4ClNO2
MW 169.57
Aromatic Rings 2
Heavy Atoms 11
NP-Likeness -1.06

Mechanism of Action

Mechanism Action Type Target Direct Efficacy
Intermediate conductance calcium-activated potassium channel protein 4 opener OPENER Intermediate conductance calcium-activated potassium channel protein 4

ATC Classification

M03BB03
chlorzoxazone
Level 1: MUSCULO-SKELETAL SYSTEM
Level 2: MUSCLE RELAXANTS
M03BB53
chlorzoxazone, combinations excl. psycholeptics
Level 1: MUSCULO-SKELETAL SYSTEM
Level 2: MUSCLE RELAXANTS
M03BB73
chlorzoxazone, combinations with psycholeptics
Level 1: MUSCULO-SKELETAL SYSTEM
Level 2: MUSCLE RELAXANTS

Activity Summary

IC50 4 meas. best 5.55

Target Activity Profile

Target Type Best pChEMBL Mean pChEMBL Best (nM) # Data
Nitric oxide synthase 1
CHEMBL3048
IC50 5.55 5.55 2794.0 1
Nitric oxide synthase 3
CHEMBL4803
IC50 5.06 5.06 8700.0 1
Nitric oxide synthase, inducible
CHEMBL4481
IC50 4.85 4.85 14100.0 1
Nitric oxide synthase 1
CHEMBL3568
IC50 4.3 4.3 50000.0 1

Pharmacokinetic Data

Parameter Value Units Species
CL 10.96 uL.min-1.(10^6cells)-1 Homo sapiens
CL 30.13 mL.min-1.g-1 Homo sapiens
F 91.4 % Mus musculus

Activity Data Samples

Top measurements by pChEMBL value

Literature References

PubMed DOI Target Context # Activities
- 10.6019/CHEMBL3885881 Rattus norvegicus 227
22194678 10.1371/journal.pcbi.1002310 Hepatotoxicity 14
15646539 10.1016/s0399-8320(04)95062-2 Unchecked 11
25740159 10.1016/j.bmcl.2015.02.013 No relevant target 10
15646539 10.1016/s0399-8320(04)95062-2 NON-PROTEIN TARGET 8
31473 10.1021/jm00208a008 Mus musculus 8
19398345 10.1016/j.bmc.2009.03.065 Rattus norvegicus 8
37468498 10.1038/s41467-023-40064-9 Alpha-1A adrenergic receptor 3
20014752 10.1021/tx900326k Hepatotoxicity 3
31473 10.1021/jm00208a008 ADMET 3
37468498 10.1038/s41467-023-40064-9 Cannabinoid receptor 1 3
37468498 10.1038/s41467-023-40064-9 Alpha-2A adrenergic receptor 3
37468498 10.1038/s41467-023-40064-9 Mu-type opioid receptor 2
37468498 10.1038/s41467-023-40064-9 Beta-2 adrenergic receptor 2
- 10.6019/CHEMBL4808148 Histone deacetylase 6 2
37468498 10.1038/s41467-023-40064-9 Gamma-aminobutyric acid receptor subunit alpha-1 2
2453615 10.1021/np50055a009 Mast cell 2
- 10.6019/CHEMBL4495565 SARS-CoV-2 2
26948801 10.1016/j.drudis.2016.02.015 Homo sapiens 2
- 10.6019/CHEMBL3301361 No relevant target 2

Data from ChEMBL 36 via Core Engine