CIQ

Modify Date: 2026-07-14 10:26:17

CIQ Structure
CIQ structure
Common Name CIQ
CAS Number 486427-17-2 Molecular Weight 467.941
Density 1.2±0.1 g/cm3 Boiling Point 635.8±55.0 °C at 760 mmHg
Molecular Formula C26H26ClNO5 Melting Point N/A
MSDS USA Flash Point 338.3±31.5 °C
Symbol GHS09
GHS09
Signal Word Warning

 Use of CIQ


CIQ is a subunit-selective potentiator of NMDA receptors containing the NR2C or NR2D subunit. IC50 value: 2.7 μM (EC50, for NR2C) and 2.8 μM (EC50, NR2D)Target: NMDA receptorCIQ increases channel opening frequency of recombinant NR2Cor NR2D containing receptors by two-fold (EC50 = 2.7 and 2.8 μM, respectively), with no effect on NR2A or NR2B subtypes. CIQ does not alter the EC50 values for glutamate or glycine on channel opening. CIQ increases channel opening efficiency and enhances NMDA receptor responses. CIQ reduces associated behaviours in schizophrenia models and potentially enhances dopamine release in Parkinson's disease models.

 Names

Name (3-Chlorophenyl){6,7-dimethoxy-1-[(4-methoxyphenoxy)methyl]-3,4-d ihydro-2(1H)-isoquinolinyl}methanone
Synonym More Synonyms

 CIQ Biological Activity

Description CIQ is a subunit-selective potentiator of NMDA receptors containing the NR2C or NR2D subunit. IC50 value: 2.7 μM (EC50, for NR2C) and 2.8 μM (EC50, NR2D)Target: NMDA receptorCIQ increases channel opening frequency of recombinant NR2Cor NR2D containing receptors by two-fold (EC50 = 2.7 and 2.8 μM, respectively), with no effect on NR2A or NR2B subtypes. CIQ does not alter the EC50 values for glutamate or glycine on channel opening. CIQ increases channel opening efficiency and enhances NMDA receptor responses. CIQ reduces associated behaviours in schizophrenia models and potentially enhances dopamine release in Parkinson's disease models.
Related Catalog

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 635.8±55.0 °C at 760 mmHg
Molecular Formula C26H26ClNO5
Molecular Weight 467.941
Flash Point 338.3±31.5 °C
Exact Mass 467.149963
PSA 57.23000
LogP 4.56
Vapour Pressure 0.0±1.9 mmHg at 25°C
Index of Refraction 1.590
InChIKey VYMILMYEENZHAR-UHFFFAOYSA-N
SMILES COc1ccc(OCC2c3cc(OC)c(OC)cc3CCN2C(=O)c2cccc(Cl)c2)cc1
Storage condition 2-8℃

 Safety Information

Symbol GHS09
GHS09
Signal Word Warning
Hazard Statements H410
Precautionary Statements P273-P501
RIDADR UN 3077 9 / PGIII

 CIQBioassay

View more

Name: Positive allosteric modulation of recombinant rat GluN1a/GluN2D receptor expressed in...
Source: ChEMBL
Target: Glutamate receptor ionotropic, NMDA 2D
External Id: CHEMBL4630125
Name: Positive allosteric modulation of GluN2C receptor (unknown origin) expressed in xenop...
Source: ChEMBL
Target: Glutamate receptor ionotropic, NMDA 2C
External Id: CHEMBL4309011
Name: Positive allosteric modulation of recombinant rat GluN1a/GluN2C receptor expressed in...
Source: ChEMBL
Target: Glutamate receptor ionotropic, NMDA 1
External Id: CHEMBL4630124
Name: Activity at rat recombinant GluA1 receptor expressed in Xenopus oocytes assessed as e...
Source: ChEMBL
Target: Glutamate receptor 1
External Id: CHEMBL2399807
Name: Activity at rat recombinant GluK2 receptor expressed in Xenopus oocytes assessed as e...
Source: ChEMBL
Target: Glutamate receptor ionotropic, kainate 2
External Id: CHEMBL2399806
Name: Activity at rat recombinant GluN1/GluN2D receptor expressed in Xenopus oocytes assess...
Source: ChEMBL
Target: Glutamate receptor ionotropic, NMDA 2D
External Id: CHEMBL2400421
Name: Enzymatic assay of human HDAC6 with commercial peptide substrate
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808149
Name: Enzymatic assay of human HDAC6 with custom peptide substrate
Source: ChEMBL
Target: Histone deacetylase 6
External Id: CHEMBL4808150
Name: Dicer-mediated maturation of pre-microRNA
Source: Center for Chemical Genomics, University of Michigan
Target: N/A
External Id: TargetID_659_CEMA
Name: Positive allosteric modulation of GluN2B receptor (unknown origin) expressed in xenop...
Source: ChEMBL
Target: Glutamate receptor ionotropic, NMDA 2B
External Id: CHEMBL4309010
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 Synonyms

(3-Chlorophenyl){6,7-dimethoxy-1-[(4-methoxyphenoxy)methyl]-3,4-dihydro-2(1H)-isoquinolinyl}methanone
Altanserin hydrochloride
CIQ
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