mono-Benzyl malonate
Mono-benzyl malonate (CAS: 40204-26-0), with the molecular formula C6H5CH2O2CCH2CO2H and a molecular weight of 194.18 g/mol, is a malonic ester derivative. It serves as a valuable intermediate and building block in organic synthesis. This compound is primarily utilised in the development of more complex molecules within the pharmaceutical and chemical research sectors, owing to its reactive ester and carboxylic acid functionalities.

Organic Synthesis Intermediate
Mono-benzyl malonate acts as a key building block in multi-step organic syntheses. Its structure allows for further derivatization, enabling the construction of diverse carbon skeletons for novel compounds.
Pharmaceutical Research
This compound is employed in the research and development of new active pharmaceutical ingredients (APIs). Its malonate structure is a versatile motif found in various biologically relevant molecules.
Chemical Research Reagent
Used as a reagent in academic and industrial laboratories for exploring new synthetic methodologies and creating target molecules for various research applications.
| Molecular weight | 194.18 |
|---|---|
| Linear formula | C6H5CH2O2CCH2CO2H |
| Assay | 95% |
| Melting point | 47-51 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 mono-benzyl malonate used for?
+
Mono-benzyl malonate is used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and chemical research laboratories for developing new molecules.
What are the CAS number and formula for mono-benzyl malonate?
+
The CAS number for mono-benzyl malonate is 40204-26-0, and its linear formula is C6H5CH2O2CCH2CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies mono-benzyl malonate with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should mono-benzyl malonate be handled safely?
+
When handling mono-benzyl malonate, it is essential to wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Note that it has a WGK Germany rating of 3.
How is mono-benzyl malonate packed, shipped, and exported?
+
Tech Serve Solutions ensures products are carefully packed for secure transit and is experienced in exporting fine chemicals globally to meet diverse research and industrial needs.
How can I request a sample or quote for mono-benzyl malonate?
+
To request a sample or a quote for mono-benzyl malonate, please contact our sales team through the website or by phone, providing your specific requirements.
▶ Related products

3,4,5-Trimethoxybenzylamine
Organic Building Blocks

3,4-dihydroxyphenylacetone
Organic Building Blocks

3-Fluoro-4-methoxybenzonitrile
C8H6FNO
Organic Building Blocks
4-Ethyltoluene
C2H5C6H4CH3
Organic Building Blocks
Fluoroacetic acid
C2H3FO2
Organic Building Blocks
Methoxyacetaldehyde
C3H6O2
Organic Building Blocks
Methyl 4-acetamido-5-chloro-2-methoxybenzoate
Organic Building Blocks

Methyl 5-bromo-2-iodobenzoate
BrC6H3(I)CO2CH3
Organic Building Blocks▶ 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