4-Aminotetrahydropyran
4-Aminotetrahydropyran (CAS 38041-19-9), with the molecular formula C5H11NO and a molecular weight of 101.15 g/mol, is a valuable heterocyclic building block. This pyran derivative is primarily utilised in organic synthesis and chemical research. Its structure makes it suitable for incorporation into more complex molecules, serving as an intermediate in the development of novel chemical entities.
- IUPAC
- Tetrahydro-2H-pyran-4-amine
- Synonyms
- Tetrahydro-2H-pyran-4-amine

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds. Its tetrahydropyran ring with an amine substituent allows for various functional group transformations.
Pharmaceutical Research
A useful scaffold for the development of new pharmaceutical agents. It can be incorporated into drug discovery programmes targeting various therapeutic areas.
Chemical Research Reagent
Employed in academic and industrial research laboratories for exploring new chemical reactions and methodologies. Its specific structure facilitates structure-activity relationship studies.
| Molecular weight | 101.15 |
|---|---|
| Empirical formula | C5H11NO |
| Assay | 97% |
| Density | 0.977 g/cm3 at 25 °C |
| Refractive index | n20/D 1.463 |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 54 °C / 129.2 °F |
|---|---|
| Transport (UN / ADR) | UN 1993A 3 / PGI |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-41 |
| Safety statements (S) | 26-39 |
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 4-Aminotetrahydropyran used for?
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4-Aminotetrahydropyran is primarily used as a building block in organic synthesis and as an intermediate in pharmaceutical research.
What is the CAS number and formula for 4-Aminotetrahydropyran?
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The CAS number for 4-Aminotetrahydropyran is 38041-19-9, and its molecular formula is C5H11NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminotetrahydropyran with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Aminotetrahydropyran be handled safely?
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4-Aminotetrahydropyran is a flammable liquid and vapour (H226) and can cause serious eye damage (H318) and is harmful if swallowed (H302). Handle with appropriate personal protective equipment, including eye protection, and keep away from heat and open flames. Refer to the Safety Data Sheet for detailed handling procedures.
Is 4-Aminotetrahydropyran a controlled substance?
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The provided data does not indicate that 4-Aminotetrahydropyran is a controlled substance.
How is 4-Aminotetrahydropyran packed and shipped?
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4-Aminotetrahydropyran is packed and shipped according to international regulations for hazardous materials, including UN 1993A 3 / PGI classification.
How can I request a sample or quote for 4-Aminotetrahydropyran?
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Please contact our sales department via our website or direct email to request a sample or a quote for 4-Aminotetrahydropyran.
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