Description

Pyrimido[4,5-g]quinazoline-4,9(3H,8H)-dione is a high-purity, fused heterocyclic organic compound with the CAS number 203451-82-5. This specialized chemical serves as a critical advanced pharmaceutical intermediate and a versatile scaffold in medicinal chemistry research. It is primarily required by R&D laboratories and fine chemical manufacturers engaged in developing novel therapeutic agents, particularly for oncology and targeted drug discovery programs.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially kinase inhibitors and other targeted small-molecule therapies.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery.
• Organic Synthesis Reference Standard: Employed as a high-purity standard for analytical method development and validation in QC laboratories.
• Biochemical Research: Investigated for its potential biological activity and interactions with various enzymes and cellular targets.
• Fine Chemical Production: Serves as a precursor for the manufacture of more complex, value-added specialty chemicals.

Basic Information

Product Name	Pyrimido[4,5-g]quinazoline-4,9(3H,8H)-dione
CAS No.	203451-82-5
Molecular Formula	C10H6N4O2
Molecular Weight	214.18 g/mol
Synonyms	4,9-Dihydro-3H,8H-pyrimido[4,5-g]quinazoline-4,9-dione; 4,9(3H,8H)-Pyrimido[4,5-g]quinazolinedione; Pyrimido[4,5-g]quinazoline-4,9-dione; 203451-82-5; Pyrimidoquinazolinedione; Fused quinazolinone derivative
EINECS	Contact for details

Quality Control

Our production of Pyrimido[4,5-g]quinazoline-4,9(3H,8H)-dione adheres to stringent quality protocols suitable for pharmaceutical R&D applications. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR, MS). We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your internal quality standards.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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