Methyl 5-chlorovalerate
Methyl 5-chlorovalerate (CAS: 14273-86-0; Formula: Cl(CH2)4CO2CH3) is a versatile organic ester with a molecular weight of 150.60 g/mol. This compound functions as a key building block in organic synthesis, primarily utilised for the introduction of functionalised alkyl chains. Its ester and halide functionalities allow for diverse chemical transformations, making it a valuable intermediate in the preparation of more complex molecules for research and development purposes.

Organic Synthesis Intermediate
Methyl 5-chlorovalerate serves as a crucial intermediate in the synthesis of various organic compounds. The presence of both a reactive chlorine atom and an ester group enables sequential functionalisation for constructing intricate molecular architectures.
Pharmaceutical Research
This compound can be employed in the development of novel pharmaceutical agents. Its structural features are amenable to modifications for creating diverse chemical entities with potential biological activity.
Material Science
It may find application in material science research for the synthesis of polymers or specialised materials where a functionalised aliphatic chain is required.
| Molecular weight | 150.60 |
|---|---|
| Linear formula | Cl(CH2)4CO2CH3 |
| Assay | 97% |
| Boiling point | 106-107 °C/38 mmHg(lit.) |
| Density | 1.047 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.436(lit.) |

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
| Flash point | 90 °C / 194 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-27-28-36/37/39 |
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 Methyl 5-chlorovalerate used for?
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Methyl 5-chlorovalerate is primarily used as a building block and intermediate in organic synthesis, including pharmaceutical research and potentially material science applications.
What are the CAS number and chemical formula for Methyl 5-chlorovalerate?
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The CAS number is 14273-86-0 and the chemical formula is Cl(CH2)4CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 5-chlorovalerate with a purity of 97%. This product is suitable for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Methyl 5-chlorovalerate be handled safely?
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Methyl 5-chlorovalerate is classified as a Warning (GHS07) with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding inhalation of vapours and contact with skin and eyes. Refer to the Safety Data Sheet for full details.
Is Methyl 5-chlorovalerate a controlled substance?
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Based on the provided data, Methyl 5-chlorovalerate is not indicated as a controlled substance.
How is Methyl 5-chlorovalerate packed and exported by TSS?
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Tech Serve Solutions offers expert packing and global export services for Methyl 5-chlorovalerate, ensuring compliance with all international shipping regulations for chemical products.
How can I request a quote or sample of Methyl 5-chlorovalerate?
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To request a quote or a sample of Methyl 5-chlorovalerate, please contact the Tech Serve Solutions sales team through our website or direct inquiry channels.
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