2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione
2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione (CAS: 172611-72-2) is a chemical compound with the molecular formula C13H20O3 and a molecular weight of 224.30 g/mol. This reagent finds application in various synthetic processes, particularly within chemical biology and peptide chemistry. It serves as a valuable building block and protecting group reagent in organic synthesis, contributing to the development of complex molecules.
- IUPAC
- 2-Isovaleryldimedone,5,5-Dimethyl-2-(3-methylbutyryl)-1,3-cyclohexanedione,Ddiv
- Synonyms
- 172611-72-2C13H20O32-Isovaleryldimedone5,5-Dimethyl-2-(3-methylbutyryl)-1,3-cyclohexanedioneDdiv

Amine Protection
This compound can be employed as a reagent for the protection of amine functionalities in organic synthesis. Its specific structure allows for selective introduction and potential removal under defined conditions, aiding in multi-step syntheses.
Peptide Chemistry
In peptide synthesis, protecting groups are crucial for managing reactive sites. 2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione may be utilised in strategies for protecting amino acid side chains or the N-terminus.
Chemical Synthesis
As a versatile synthetic reagent, this diketone derivative offers utility in constructing more complex organic frameworks. Its reactivity profile makes it suitable for various carbon-carbon bond forming reactions or as a precursor to other functionalised molecules.
Chemical Biology Research
Researchers in chemical biology may use this compound as a tool in the synthesis of labelled molecules or probes for studying biological systems. Its incorporation can modify the properties of biomolecules for research purposes.
| Molecular weight | 224.30 |
|---|---|
| Empirical formula | C13H20O3 |
| Assay | ≥99.0% (GC) |
| Density | 1.027 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.498 |

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
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione used for?
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2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione is primarily used as a reagent in chemical synthesis, particularly for amine protection, within fields such as peptide chemistry and chemical biology research.
What is the CAS number and molecular formula?
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The CAS number for 2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione is 172611-72-2, and its molecular formula is C13H20O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione with an assay of ≥99.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should this chemical be handled safely?
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This compound is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, and this product can be shipped internationally. Please contact us for export details.
How can I request a sample or quote?
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To request a sample or a quotation for 2-(3-Methylbutyryl)-5,5-dimethyl-1,3-cyclohexandione, please contact our sales team through the website or by phone, providing your specific requirements.
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