Orphenadrine hydrochloride
Orphenadrine hydrochloride (CAS: 341-69-5), with the molecular formula C18H23NO · HCl and a molecular weight of 305.84 g/mol, is a synthetic organic compound. It functions as an antagonist, particularly within the realms of neuroscience and cell signaling. This chemical is recognised for its role in neurotransmission research and as a building block in chemical synthesis, serving as a valuable reagent for scientific investigation and development.
- IUPAC
- β-Dimethylaminoethyl 2-methylbenzhydryl ether hydrochloride,N,N-Dimethyl-2-(2-methylbenzhydryloxy)ethylamine hydrochloride,o-Methyldiphenhydramine hydrochloride
- Synonyms
- β-Dimethylaminoethyl 2-methylbenzhydryl ether hydrochlorideN,N-Dimethyl-2-(2-methylbenzhydryloxy)ethylamine hydrochlorideo-Methyldiphenhydramine hydrochloride

Neuroscience Research
Orphenadrine hydrochloride is utilised in neuroscience research due to its effects on neurotransmitter systems. It serves as a tool for studying cholinergic pathways and related neurological functions.
Chemical Synthesis Intermediate
This compound acts as a building block in the synthesis of more complex organic molecules. Its structure makes it useful for developing novel compounds in pharmaceutical and chemical research.
Cell Biology Studies
As a bioactive small molecule, orphenadrine hydrochloride can be employed in cell biology experiments. It helps researchers investigate cellular processes and signaling pathways affected by its antagonistic properties.
| Molecular weight | 305.84 |
|---|---|
| Empirical formula | C18H23NO · HCl |
| Assay | ≥98.0% (AT) |
| Melting point | 160-164 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Orphenadrine hydrochloride used for?
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Orphenadrine hydrochloride is primarily used in neuroscience research to study neurotransmission and cholinergic pathways, and as a building block in chemical synthesis for the development of new organic compounds. It also finds application in cell biology studies.
What are the CAS number and molecular formula for Orphenadrine hydrochloride?
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The CAS number for Orphenadrine hydrochloride is 341-69-5, and its molecular formula is C18H23NO · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Orphenadrine hydrochloride with a purity of ≥98.0% (AT). We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
What are the main safety hazards associated with Orphenadrine hydrochloride?
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Orphenadrine hydrochloride is classified as toxic if swallowed (H301) and carries a Danger signal word. Handle with appropriate personal protective equipment including a dust mask (type N95), eyeshields, face shields, and gloves, in a well-ventilated area.
How is Orphenadrine hydrochloride packed and shipped by TSS?
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Orphenadrine hydrochloride is packed according to industry best practices for chemical reagents and is available for global export. Shipping is handled in compliance with all relevant transportation regulations, including UN 2811 classification.
How can I request a sample or quote for Orphenadrine hydrochloride?
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To request a sample or obtain a quote for Orphenadrine hydrochloride, please contact our sales team through the website or via the provided contact details, specifying the quantity and destination.
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