Description

5-Pyrimidinecarboxylic Acid, 1,2,3,4-Tetrahydro-2,4-Dioxo-, Radical Ion(1+) (9Ci) is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to incorporate complex pyrimidine motifs into their target molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of nucleoside analogs, kinase inhibitors, and other therapeutic agents targeting various disease pathways.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators that leverage the pyrimidine scaffold for bioactivity.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the creation of specialty polymers, ligands for catalysis, and organic electronic materials.
• Bioconjugation Chemistry: Employed in the design and synthesis of probes, tags, and linkers for bioconjugation and chemical biology applications.
• Academic & Contract Research: Essential for fundamental research in heterocyclic chemistry and for contract research organizations (CROs) developing custom synthetic routes.

Basic Information

Product Name	5-Pyrimidinecarboxylic Acid, 1,2,3,4-Tetrahydro-2,4-Dioxo-, Radical Ion(1+) (9Ci)
CAS No.	76821-79-9
Molecular Formula	C5H4N2O4+
Molecular Weight	156.10 g/mol
Synonyms	2,4-Dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylic acid radical cation; 5-Carboxyorotic acid radical ion; Orotic-5-carboxylic acid radical (1+); 1,2,3,4-Tetrahydro-2,4-dioxopyrimidine-5-carboxylic acid radical cation; 5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-2,4-dioxo-, radical ion(1+); Radical cation of 5-carboxyorotic acid
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards for advanced intermediates. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry for precise characterization. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere if specified for the specific grade. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0% (Standard Grade)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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