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Cat. No.: HY-187536

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SYA16263

SYA16263 is a dopamine D₂ receptor (D₂R) and serotonin 1A receptor (5-HT_1AR) ligand, with K_i values of 1.24 nM and 0.67 nM for D₂R and 5-HT_1AR, respectively. SYA16263 stabilizes the inactive conformation of D₂R and 5-HT_1AR via interactions with specific amino acid residues in their orthosteric binding pockets, thereby blocking downstream signal transduction. SYA16263 can be used in research related to schizophrenia and psychosis.

For research use only. We do not sell to patients.

CAS No.: 129281-28-3
Formula: C₁₉H₂₄FN₃
Molecular Weight:313.41

Storage:

Please store the product under the recommended conditions in the Certificate of Analysis.

SYA16263 Chemical Structure

CAS No.: 129281-28-3

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- In Vitro
- In Vivo
Chemical Information
Purity & Documentation
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Biological Activity

Description

IC₅₀ & Target^[1]

Dopamine D2 receptor

5-HT1AR

All 5-HT Receptor Isoforms :

In Vitro

SYA16263 (compound 36) (0.1 nM-10 μM; 90 min) exhibits specific binding activity to dopamine D2 receptors and 5-HT1A receptors in cell membrane fragments stably expressing specific receptors (including CHO, HEK T*, HET T, fibroblast), with K_i values of 1.24 nM and 0.67 nM, respectively^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

SYA16263 (Compound 36) (intraperitoneal injection; single administration) exerts an inhibitory effect on abnormal climbing behavior in the apomorphine (HY-12723)-induced mouse climbing model^[1].
SYA16263 (0.632-1.896 mg/kg; i.p.; single administration; 60-66 min) does not induce extrapyramidal side effects in the rat catalepsy test model^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model:

Sprague-Dawley (male, ~6 weeks old, 133-153 g)^[1]
Dosage:

0.632, 1.264, 1.896 mg/kg
Administration:

i.p.; single administration; 60, 63, 66 min
Result:

Did not induce extrapyramidal side effects

Chemical Information

CAS No. 129281-28-3
Molecular Weight 313.41
Formula C₁₉H₂₄FN₃
SMILES

FC(C=C1)=CC=C1CCCCN(CC2)CCN2C3=CC=CC=N3
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Handling Instructions (2659 KB)

References

[1]. Gonela UM, et al. Structure-Affinity Relationship Optimization of SYA16263 Yields New Ligands with Improved Receptor Affinity and Antipsychotic-Like Properties. ACS Omega. 2026 Jul 20;11(31):46009-46029.

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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Biological Activity
- Description
- IC₅₀ & Target
- In Vitro
- In Vivo
Chemical Information
Purity & Documentation
References

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SYA16263

All 5-HT Receptor Isoforms