Description

Spiro[[1]Benzothieno[2,3-D]Pyrimidine-7(4H),2'-[1,3]Dioxolan]-4-One, 1,5,6,8-Tetrahydro- is a complex spirocyclic heterocyclic compound featuring fused benzothieno-pyrimidine and dioxolane ring systems. This unique molecular architecture makes it a highly valuable synthetic intermediate and scaffold for advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D organizations for the synthesis of novel active ingredients and for structure-activity relationship (SAR) studies.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and oncology targets.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, or insecticides with novel modes of action.
• Chemical Biology Probe: Serves as a specialized tool compound for studying enzyme inhibition or modulating biological pathways in academic and industrial research.
• Material Science Precursor: Potential intermediate in the development of organic electronic materials or specialty polymers due to its conjugated system.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	Spiro[[1]Benzothieno[2,3-D]Pyrimidine-7(4H),2'-[1,3]Dioxolan]-4-One, 1,5,6,8-Tetrahydro-
CAS No.	835632-37-6
Molecular Formula	C13H10N2O3S
Molecular Weight	274.29 g/mol
Synonyms	1,5,6,8-Tetrahydrospiro[[1]benzothieno[2,3-d]pyrimidine-7(4H),2'-[1,3]dioxolan]-4-one; Tetrahydrospiro(benzothieno[2,3-d]pyrimidine-7(4H),2'-(1,3)dioxolane)-4-one; Spiro[benzothieno[2,3-d]pyrimidine-7(4H),2'-[1,3]dioxolan]-4-one, 1,5,6,8-tetrahydro-; CAS 835632-37-6
EINECS	Contact for details

Quality Control

Our high-purity Spiro[[1]Benzothieno[2,3-D]Pyrimidine-7(4H),2'-[1,3]Dioxolan]-4-One, 1,5,6,8-Tetrahydro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided and available upon request to support your regulatory and R&D 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). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 3.0%

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