Description

Acluracil CAS NO 20938-38-9 is a high-purity pharmaceutical intermediate and fine chemical compound. It serves as a critical building block in the synthesis of more complex active pharmaceutical ingredients (APIs) and specialty chemicals. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking reliable, high-quality raw materials for advanced synthesis.

Application

• Key intermediate in the research and synthesis of novel pharmaceutical compounds.
• Building block for the development of nucleoside analogs and related antiviral or anticancer agents.
• Used in organic synthesis and process chemistry within fine chemical production.
• Valuable reference standard and reagent in analytical and life science research.
• Precursor material for custom synthesis and contract manufacturing organizations (CMOs).

Basic Information

Product Name	Acluracil
CAS No.	20938-38-9
Molecular Formula	C5H5N3O2
Molecular Weight	139.11 g/mol
Synonyms	5-Azacytosine; 4-Amino-1,2-dihydro-1,3,5-triazin-2-one; 1,2-Dihydro-4-amino-1,3,5-triazin-2-one; 5-Aza-2,4(1H,3H)-pyrimidinedione; 4-Amino-1H-1,3,5-triazin-2(3H)-one; NSC 71423
EINECS	Contact for details

Quality Control

Our Acluracil is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical intermediate applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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