9-(Tetrahydro-2H-pyran-2-yloxy)-7-nonynoic acid
9-(Tetrahydro-2H-pyran-2-yloxy)-7-nonynoic acid (CAS: 957761-18-1; C14H22O4) is a specialised organic building block with a molecular weight of 254.32 g/mol. This carboxylic acid derivative, featuring a THP-protected alcohol and an internal alkyne, is primarily utilised in chemical synthesis and research. Its unique structure makes it a valuable intermediate for constructing more complex organic molecules in fields such as materials science and medicinal chemistry. TSS supplies this compound for laboratory and research purposes.

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic syntheses. The carboxylic acid and alkyne functionalities allow for diverse chemical transformations.
Research and Development
Employed in R&D settings for the exploration of novel molecular architectures and reaction pathways. Its protected hydroxyl group offers selective reactivity.
Material Science Precursor
Potentially used as a precursor for the development of new materials, leveraging its specific functional groups for polymerisation or surface modification.
| Molecular weight | 254.32 |
|---|---|
| Empirical formula | C14H22O4 |
| Assay | 95% |
| Density | 1.081 g/mL at 25 °C |
| Refractive index | n20/D 1.484 |
| Storage temperature | 2-8°C |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 9-(Tetrahydro-2H-pyran-2-yloxy)-7-nonynoic acid used for?
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This compound is primarily used as a building block in organic synthesis and in research and development for creating complex molecules.
What is the CAS number and molecular formula?
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The CAS number is 957761-18-1 and the molecular formula is C14H22O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 95%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
What are the safety considerations for handling this chemical?
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This compound carries a Danger signal word and is classified under GHS05. It has hazard statement H318, indicating it causes serious eye damage. Appropriate personal protective equipment, including eyeshields and gloves, is essential. Refer to the safety data sheet for full handling instructions.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals.
How can I request a quote or sample?
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Please contact our sales team via the website or phone to request a quote or discuss sample availability.
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