3-Hydroxy-4-methoxyphenethylamine hydrochloride
3-Hydroxy-4-methoxyphenethylamine hydrochloride (CAS: 645-33-0; Formula: C9H13NO2 · HCl) is a chemical compound of interest in neuroscience research. With a molecular weight of 203.67 g/mol, this substance is utilised for its potential roles in cell signalling pathways and neurotransmission. It is primarily employed in laboratory settings for scientific investigation and the study of dopaminergic systems.
- IUPAC
- 4-Methoxytyramine hydrochloride,4-O-Methyldopamine hydrochloride

Neuroscience Research
Investigates dopaminergic pathways and neurotransmission mechanisms. Utilised in studies related to cell signalling within the nervous system.
Cell Biology Studies
Employed in laboratory research to understand cellular processes and signalling cascades. Supports investigations into bioactive small molecules.
Biochemical Investigations
Serves as a reagent in biochemical assays and experiments. Used to probe specific biological targets and pathways.
| Molecular weight | 203.67 |
|---|---|
| Empirical formula | C9H13NO2 · HCl |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Drug Control | Home Office Schedule 1 |
|---|---|
| Gene Information | human ... DRD1(1812), DRD2(1813), DRD3(1814), DRD4(1815), DRD5(1816) |
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 3-Hydroxy-4-methoxyphenethylamine hydrochloride used for?
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3-Hydroxy-4-methoxyphenethylamine hydrochloride is primarily used in neuroscience research to investigate dopaminergic systems, cell signalling, and neurotransmission. It is also utilised in cell biology and biochemical studies.
What is the CAS number and formula for 3-Hydroxy-4-methoxyphenethylamine hydrochloride?
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The CAS number is 645-33-0 and the empirical formula is C9H13NO2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay and purity are available on the product's technical datasheet. We do not represent this product as USP, BP, or EP grade.
How should 3-Hydroxy-4-methoxyphenethylamine hydrochloride be handled?
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Handling requires appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation as it may cause respiratory irritation (H335). Avoid contact with skin (H315) and eyes (H319).
Is 3-Hydroxy-4-methoxyphenethylamine hydrochloride a controlled substance?
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Yes, this substance is classified under Home Office Schedule 1 in the UK.
How is this chemical exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, capable of shipping to research institutions worldwide. Specific shipping and handling comply with all relevant regulations.
How can I request a sample or quote for 3-Hydroxy-4-methoxyphenethylamine hydrochloride?
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Please contact our sales team via the website or directly by phone to request a quotation or sample for 3-Hydroxy-4-methoxyphenethylamine hydrochloride.
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