Description

1,5-Diethyl-5-Isopropenylbarbituric Acid CAS NO 66940-88-3 is a specialized barbiturate derivative characterized by its unique isopropenyl substitution. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily required by pharmaceutical R&D and fine chemical synthesis sectors for the development of novel therapeutic agents and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of specialized barbiturate-based active pharmaceutical ingredients (APIs) and central nervous system (CNS) agents.
• Organic Synthesis Building Block: Utilized in research and development for constructing complex heterocyclic compounds and novel molecular frameworks.
• Chemical Research & Development: Serves as a standard or reagent in methodological studies and structure-activity relationship (SAR) investigations.
• Reference Standard: Used in analytical laboratories for method development, validation, and quality control testing of related substances.

Basic Information

Product Name	1,5-Diethyl-5-Isopropenylbarbituric Acid
CAS No.	66940-88-3
Molecular Formula	C11H16N2O3
Molecular Weight	224.26 g/mol
Synonyms	5-Isopropenyl-5-ethylbarbituric Acid; 5-Ethyl-5-(1-methylethenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione; 5-Ethyl-5-isopropenylbarbituric Acid; 1,5-Diethyl-5-(prop-1-en-2-yl)pyrimidine-2,4,6(1H,3H,5H)-trione; NSC 163047
EINECS	Contact for details

Quality Control

Our 1,5-Diethyl-5-Isopropenylbarbituric Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets precise customer requirements and high-purity standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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