Description

3H-Pyrimido[5,4-H][1,4]Benzoxazin-4(7H)-One, 3-(4-Chlorophenyl)-8,9-Dihydro-2-(1-Methylethyl)- is a high-purity, complex heterocyclic compound serving as a critical advanced intermediate in modern synthetic chemistry. Its value lies in enabling the development of novel molecular architectures, particularly for pharmaceutical research and agrochemical discovery. This product is essential for R&D chemists and process development scientists in the life sciences sector seeking to build sophisticated, functionalized chemical libraries.

Application

This specialized intermediate is designed for high-value synthesis in research and industrial settings. Key application areas include:

• Pharmaceutical Intermediate: A key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex fused-ring systems.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides that leverage its unique benzoxazin-pyrimidine hybrid structure.
• Material Science Precursor: Potential starting material for creating organic electronic materials or specialty polymers with specific optoelectronic properties.
• Chemical Biology Probe Development: Serves as a core scaffold for designing molecular probes and tools to study biological pathways and protein interactions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects requiring this precise molecular framework.

Basic Information

Product Name	3H-Pyrimido[5,4-H][1,4]Benzoxazin-4(7H)-One, 3-(4-Chlorophenyl)-8,9-Dihydro-2-(1-Methylethyl)-
CAS No.	941600-11-9
Molecular Formula	C19H17ClN2O2
Molecular Weight	340.80 g/mol
Synonyms	3-(4-Chlorophenyl)-8,9-dihydro-2-isopropyl-7H-pyrimido[5,4-h][1,4]benzoxazin-4-one; 3-(p-Chlorophenyl)-2-isopropyl-8,9-dihydro-7H-pyrimido[5,4-h][1,4]benzoxazin-4-one; 941600-11-9; 3-(4-Chlorophenyl)-2-(propan-2-yl)-7,8,9,10-tetrahydropyrimido[5,4-h][1,4]benzoxazin-4-one; CAS 941600-11-9
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization using techniques including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment. We support compliance with cGMP standards for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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