Description

4(1H)-Pyrimidinone, 5-Amino-2,3-Dihydro-2-Thioxo- (9Ci) CAS NO 155-14-6 is a versatile heterocyclic building block characterized by its pyrimidinone core with amino and thioxo functional groups. This compound is of significant commercial importance due to its role as a key intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers engaged in developing novel active ingredients, where its unique structure enables the creation of compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of antiviral, anticancer, and other therapeutic agents, leveraging its pyrimidine scaffold.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile starting material for constructing complex heterocyclic compounds in academic and industrial R&D.
• Biochemical Research: Employed in the study of enzyme inhibitors and the development of molecular probes due to its specific chemical reactivity.
• Material Science Research: Investigated for potential applications in the development of organic electronic materials and specialty polymers.

Basic Information

Product Name	4(1H)-Pyrimidinone, 5-Amino-2,3-Dihydro-2-Thioxo- (9Ci)
CAS No.	155-14-6
Molecular Formula	C4H5N3OS
Molecular Weight	143.17 g/mol
Synonyms	5-Amino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one; 5-Amino-2-mercapto-4-pyrimidinol; 5-Amino-2-thiouracil; 2-Mercapto-5-aminopyrimidin-4-ol; 5-Amino-2-thio-4-pyrimidinol; 2-Thio-5-aminouracil; NSC 401565
EINECS	205-838-5

Quality Control

Our production of 5-Amino-2-thiouracil adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. The material is subjected to comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods for structural confirmation. A Certificate of Analysis (COA) detailing specific results for identity, assay, and impurity profiles is provided with each shipment to support your quality assurance processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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