3-Hydroxy-3-methylglutaric acid
3-Hydroxy-3-methylglutaric acid (CAS: 503-49-1) is an organic compound with the formula HOC(CH3)(CH2CO2H)2. As a dicarboxylic acid, it serves as a versatile building block in organic synthesis. Its structure features a tertiary alcohol and two carboxylic acid groups, enabling a range of chemical transformations. This compound is primarily utilised in research and development settings for the synthesis of more complex molecules within the chemical and pharmaceutical industries.
- IUPAC
- 3-Hydroxy-3-methylpentanedioic acid

Organic Synthesis Intermediate
3-Hydroxy-3-methylglutaric acid is employed as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse reactions, including esterification, amidation, and dehydration, facilitating the construction of intricate molecular architectures.
Research and Development
This chemical finds application in academic and industrial research laboratories. It is used as a starting material or reagent in exploring new synthetic pathways and developing novel chemical entities with potential therapeutic or material science applications.
Building Block for Complex Molecules
The compound's specific arrangement of hydroxyl and carboxyl groups makes it valuable for constructing complex molecules. It is particularly useful in research aimed at creating derivatives or analogues of biologically active compounds.
| Molecular weight | 162.14 |
|---|---|
| Linear formula | HOC(CH3)(CH2CO2H)2 |
| Assay | ≥95% |
| Storage temperature | −20°C |
| Melting point | 105-108 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
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 3-Hydroxy-3-methylglutaric acid used for?
+
3-Hydroxy-3-methylglutaric acid is primarily used as a building block and intermediate in organic synthesis and research and development activities for creating more complex molecules.
What are the CAS number and chemical formula for 3-Hydroxy-3-methylglutaric acid?
+
The CAS number is 503-49-1 and the chemical formula is HOC(CH3)(CH2CO2H)2.
What grade and purity does Tech Serve Solutions supply for 3-Hydroxy-3-methylglutaric acid?
+
Tech Serve Solutions supplies 3-Hydroxy-3-methylglutaric acid with an assay of ≥95%. This product is suitable for research and general laboratory use. It is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for 3-Hydroxy-3-methylglutaric acid?
+
When handling 3-Hydroxy-3-methylglutaric acid, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if ventilation is inadequate. The compound is classified as WGK 2 in Germany, indicating a potential hazard to water.
How is 3-Hydroxy-3-methylglutaric acid stored and shipped?
+
This compound should be stored at -20°C. Tech Serve Solutions ensures careful packaging and adherence to regulations for domestic and international export of chemicals.
How can I request a quote or sample for 3-Hydroxy-3-methylglutaric acid?
+
To request a quote or sample, please contact the Tech Serve Solutions sales team via our website or by calling our customer service line. Please specify the required quantity and delivery location.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis