1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine
1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine (CAS 261925-94-4) is a heterocyclic organic compound with the molecular formula C18H26N2O4 and a molecular weight of 334.41 g/mol. Supplied at a minimum purity of 97%, this piperazine derivative serves as a valuable building block in chemical synthesis. Its structure makes it suitable for incorporation into more complex molecules, particularly in pharmaceutical research and development, and organic chemistry applications.
- IUPAC
- 1-tert-Butoxycarbonyl-4-(3-ethylbenzoate)piperazine,1-tert-Butoxycarbonyl-4-[3-(ethoxycarbonyl)phenyl]piperazine
![1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine (C18H26N2O4) — chemical structure, CAS 261925-94-4; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F261925-94-4.png&w=3840&q=75)
Pharmaceutical Intermediate
This compound functions as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its piperazine core and functionalised phenyl ring allow for diverse chemical modifications.
Organic Synthesis Reagent
As a functionalised piperazine, it is employed in various organic synthesis strategies. It acts as a versatile building block for constructing novel molecular architectures.
Research and Development
Utilised in R&D settings for the discovery of new chemical entities. Its well-defined structure aids medicinal chemists in structure-activity relationship (SAR) studies.
| Molecular weight | 334.41 |
|---|---|
| Empirical formula | C18H26N2O4 |
| Assay | 97% |
| Melting point | 62-66 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38-52/53 |
| Safety statements (S) | 26-36-45 |
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 1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine used for?
+
This compound is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and development for creating new chemical entities.
What are the CAS number and molecular formula?
+
The CAS number is 261925-94-4 and the molecular formula is C18H26N2O4.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product at a minimum purity of 97%. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated.
How should 1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine be handled?
+
This compound is classified as toxic if swallowed and causes skin and serious eye irritation. It may also cause respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator if needed, in a well-ventilated area.
Is this chemical a controlled substance?
+
The provided data does not indicate that this compound is a controlled substance.
How is this chemical shipped and exported?
+
Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, adhering to all relevant shipping and export regulations. Specific packaging and shipping details can be provided upon request.
How can I request a quote or sample?
+
Please contact our sales team directly via our website or listed contact details to request a quote or sample of 1-Boc-4-[3-(ethoxycarbonyl)phenyl]piperazine.
▶ 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