Methylphenidate hydrochloride
Methylphenidate hydrochloride (CAS: 298-59-9), with the empirical formula C14H19NO2 · HCl and a molecular weight of 269.77 g/mol, is a central nervous system stimulant. It is recognised as an approved therapeutic agent and is utilised in research settings, particularly within neuroscience and pharmacology. This compound plays a role in modulating neurotransmission, making it a subject of interest for studies related to neurological function and certain behavioural conditions.
- IUPAC
- threo-Methyl α-phenyl-α-(2-piperidyl)acetate hydrochloride,Ritalin hydrochloride
- Synonyms
- threo-Methyl α-phenyl-α-(2-piperidyl)acetate hydrochloride

Neuroscience Research
Utilised as a tool compound in neuroscience research to investigate dopaminergic and noradrenergic pathways in the brain. It aids in understanding neurotransmitter systems involved in cognitive functions and behaviour.
Pharmacological Studies
Serves as a reference standard or research chemical in pharmacological studies focusing on stimulant mechanisms and their effects. Its well-defined properties make it suitable for in vitro and in vivo experimental models.
Bioactive Molecule Research
As a bioactive small molecule, it is employed in cell biology and signaling research to probe cellular responses and pathways affected by stimulant activity.
| Molecular weight | 269.77 |
|---|---|
| Empirical formula | C14H19NO2 · HCl |


Hazard statements
- H302Harmful if swallowed
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-42 |
| Safety statements (S) | 22-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Drug Control | USDEA Schedule II; Home Office Schedule 2; stup |
|---|
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 Methylphenidate hydrochloride used for?
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Methylphenidate hydrochloride (CAS: 298-59-9) is used in scientific research, particularly within neuroscience and pharmacology, to study central nervous system function and neurotransmission.
What are the CAS number and chemical formula for Methylphenidate hydrochloride?
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The CAS number is 298-59-9 and the chemical formula is C14H19NO2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylphenidate hydrochloride typically as a research grade chemical. Specific purity and assay details are available on the product's Certificate of Analysis; TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Methylphenidate hydrochloride be handled safely?
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Methylphenidate hydrochloride is harmful if swallowed and may cause allergy or asthma symptoms or breathing difficulties if inhaled (H302, H334). Handle with appropriate personal protective equipment, including dust masks (type N95 US recommended), eyeshields, faceshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.
Is Methylphenidate hydrochloride a controlled substance?
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Yes, Methylphenidate hydrochloride is a controlled substance, listed as USDEA Schedule II and Home Office Schedule 2 in the UK.
How is Methylphenidate hydrochloride packed and shipped?
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Tech Serve Solutions packs and ships Methylphenidate hydrochloride in compliance with all relevant national and international regulations for hazardous materials and controlled substances.
How can I request a sample or quote for Methylphenidate hydrochloride?
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To request a sample or quote, please contact our sales department through the website or via direct inquiry, specifying the product name and CAS number.
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