Description

Diethyl 2-(3,5-Dioxo-1,2-Diphenyl-4-Pyrazolidinyl)Malonate is a specialized pyrazolidine derivative with significant utility as a key synthetic intermediate in advanced organic chemistry. Its molecular structure makes it a valuable precursor for constructing complex heterocyclic systems and active pharmaceutical ingredients (APIs). This high-purity compound is essential for research and development laboratories, as well as production facilities in the pharmaceutical and fine chemical sectors, seeking reliable building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those containing pyrazolidine or related heterocyclic cores.
• Fine Chemical Synthesis: Used as a versatile precursor in multi-step organic synthesis for creating complex molecules in agrochemical, dye, and material science research.
• Research & Development: Employed in academic and industrial R&D settings for method development, exploring new chemical reactions, and synthesizing libraries of compounds for biological screening.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, validation, and quality control in chemical manufacturing.

Basic Information

Product Name	Diethyl 2-(3,5-Dioxo-1,2-Diphenyl-4-Pyrazolidinyl)Malonate
CAS No.	6139-70-4
Molecular Formula	C22H22N2O5
Molecular Weight	394.42 g/mol
Synonyms	Diethyl (3,5-dioxo-1,2-diphenyl-4-pyrazolidinyl)malonate; 1,2-Diphenyl-3,5-pyrazolidinedione-4-malonic Acid Diethyl Ester; 4-(Diethoxycarbonylmethyl)-1,2-diphenyl-3,5-pyrazolidinedione; Diethyl (1,2-diphenyl-3,5-dioxo-4-pyrazolidinyl)malonate; NSC 403697; 4-Carbethoxymethyl-1,2-diphenyl-3,5-pyrazolidinedione
EINECS	Contact for details

Quality Control

Our Diethyl 2-(3,5-Dioxo-1,2-Diphenyl-4-Pyrazolidinyl)Malonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.