Description

2-Mercapto-3-pentyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one is a high-purity, complex heterocyclic compound featuring a fused benzothienopyrimidinone core structure. This compound is valued for its role as a sophisticated chemical intermediate and building block in advanced organic synthesis, particularly in pharmaceutical research and development. It is essential for chemists and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, oncology, and metabolic diseases.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic structure for potential herbicidal or insecticidal activity.
• Chemical Biology Probe: Serves as a core scaffold for creating molecular probes to study enzyme function and biological pathways in academic and industrial research settings.
• Material Science Precursor: Acts as a specialized monomer or precursor in the synthesis of advanced organic electronic materials or polymers with specific optoelectronic properties.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds for client-specific research programs.

Basic Information

Product Name	2-Mercapto-3-pentyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one
CAS No.	565171-27-9
Molecular Formula	C16H22N2OS2
Molecular Weight	322.49 g/mol
Synonyms	3-Pentyl-2-sulfanylidene-1,5,6,7,8,8a-hexahydro-[1]benzothieno[2,3-d]pyrimidin-4-one; 2-Thioxo-3-pentyl-1,5,6,7,8,8a-hexahydro-[1]benzothieno[2,3-d]pyrimidin-4(3H)-one; 5,6,7,8-Tetrahydro-2-mercapto-3-pentyl[1]benzothieno[2,3-d]pyrimidin-4(3H)-one; Benzothieno[2,3-d]pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-mercapto-3-pentyl-; CAS 565171-27-9
EINECS	Contact for details

Quality Control

Our production of 2-Mercapto-3-pentyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo comprehensive analytical testing, including HPLC for purity assay and identity confirmation via spectroscopic methods (NMR, IR, MS). A Certificate of Analysis (COA) detailing purity, physical characteristics, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

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 light-sensitive nature and propensity for oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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