Description

2-Pyrrolidinone, 1-Butyl-5-Thioxo- is a specialized heterocyclic organic compound with the CAS number 4166-04-5. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its unique thioxo-pyrrolidinone structure. It is primarily utilized by research and development chemists, as well as process engineers, in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing complex heterocyclic frameworks in academic and industrial research.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for metal catalysis and asymmetric synthesis.
• Polymer Modification: Can be used to introduce specific functional groups into polymer backbones to alter material properties.
• Chemical Research: A valuable compound for methodological studies in organic chemistry and process development.

Basic Information

Product Name	2-Pyrrolidinone, 1-Butyl-5-Thioxo-
CAS No.	4166-04-5
Molecular Formula	C₈H₁₃NOS
Molecular Weight	171.26 g/mol
Synonyms	1-Butyl-5-thioxopyrrolidin-2-one; 1-Butyl-2-pyrrolidinone, 5-thioxo-; 5-Thioxo-1-butyl-2-pyrrolidinone; N-Butyl-2-pyrrolidinone-5-thione; 1-n-Butyl-5-thioxopyrrolidin-2-one; 2-Pyrrolidinone, 5-thioxo-1-butyl-; 4166-04-5; Butylthioxopyrrolidinone
EINECS	Contact for details

Quality Control

Our 2-Pyrrolidinone, 1-Butyl-5-Thioxo- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which may affect quality.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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