S-(+)-O-Desmethylraclopride hydrobromide
S-(+)-O-Desmethylraclopride hydrobromide (CAS: 113310-88-6) is a white solid with the molecular formula C14H18Cl2N2O3 · HBr. This compound serves as a crucial precursor in the synthesis of radiolabeled S-(+)-raclopride, primarily utilised in neurochemical research. Its specific stereochemistry and functional groups make it valuable for studying dopamine receptor binding and neurotransmission.
- IUPAC
- (S)-3,5-Dichloro-N-[(1-ethyl-2-pyrrolidinyl)methyl]-2,6-dihydroxybenzamide hydrobromide

Radiopharmaceutical Precursor
Serves as a key precursor for the synthesis of radiolabeled S-(+)-raclopride. This radiolabeled compound is vital for Positron Emission Tomography (PET) imaging studies.
Neuroscience Research
Used in research related to dopamine D2/D3 receptors and dopaminergic neurotransmission. It aids in understanding the role of these systems in various neurological conditions.
Cell Biology Studies
Applicable in cell-based assays investigating receptor binding, signalling pathways, and drug mechanisms of action within neuroscience and cell biology.
| Molecular weight | 414.12 |
|---|---|
| Empirical formula | C14H18Cl2N2O3 · HBr |
| Assay | ≥98% (HPLC) |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble10 mg/mL |
| Optical activity | [α]23/D +11.0°, c = 1.08 in ethanol(lit.) |
| Application | Precursor to radiolabeled S-(+)-raclopride. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | protect from light |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is S-(+)-O-Desmethylraclopride hydrobromide used for?
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S-(+)-O-Desmethylraclopride hydrobromide is primarily used as a precursor for the synthesis of radiolabeled S-(+)-raclopride, which is employed in Positron Emission Tomography (PET) imaging and neuroscience research, particularly for studying dopamine receptors.
What are the CAS number and formula for S-(+)-O-Desmethylraclopride hydrobromide?
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The CAS number is 113310-88-6, and the molecular formula is C14H18Cl2N2O3 · HBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-(+)-O-Desmethylraclopride hydrobromide with a purity of ≥98% (HPLC). This product is intended for research purposes and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should S-(+)-O-Desmethylraclopride hydrobromide be handled?
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When handling, it is essential to wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound is classified with WGK Germany 3, indicating a high hazard to water.
How is S-(+)-O-Desmethylraclopride hydrobromide supplied and exported?
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S-(+)-O-Desmethylraclopride hydrobromide is supplied as a white solid and should be stored protected from light. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for S-(+)-O-Desmethylraclopride hydrobromide?
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To request a sample or a quote, please contact our customer service department through the website or by phone. Our team will be happy to assist you with your inquiry.
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