Description

2-(Butylsulfanyl)-3H-Spiro[Benzo[H]Quinazoline-5,1'-Cyclopentan]-4(6H)-One is a high-purity, specialized organic compound featuring a complex spirocyclic quinazoline core. This molecule is valued for its unique structural framework, which makes it a critical advanced intermediate in the synthesis of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions and pharmaceutical R&D departments engaged in drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Organic Synthesis Research: Used in academic and industrial laboratories to explore new chemical reactions and construct complex heterocyclic systems.
• Agrochemical Development: Serves as a precursor in the research and development of new-generation pesticides and herbicides.
• Material Science: Investigated for the creation of organic electronic materials and specialty polymers due to its conjugated structure.
• Chemical Biology Probe: Utilized in the design of molecular probes for studying biological pathways and target validation.

Basic Information

Product Name	2-(Butylsulfanyl)-3H-Spiro[Benzo[H]Quinazoline-5,1'-Cyclopentan]-4(6H)-One
CAS No.	316362-42-2
Molecular Formula	C20H24N2OS
Molecular Weight	340.48 g/mol
Synonyms	2-(Butylthio)-3H-spiro[benzo[h]quinazoline-5,1'-cyclopentan]-4(6H)-one; 3H-Spiro[benzo[h]quinazoline-5,1'-cyclopentan]-4(6H)-one, 2-(butylthio)-; 2-Butylsulfanyl-3H-spiro[1-benzopyrano[2,3-d]pyrimidine-5,1'-cyclopentan]-4-one; Spiro[cyclopentane-1,5'-[5H]benzo[h]quinazolin]-4'(6'H)-one, 2'-(butylthio)-; CAS 316362-42-2
EINECS	Contact for details

Quality Control

Our production of 2-(Butylsulfanyl)-3H-Spiro[Benzo[H]Quinazoline-5,1'-Cyclopentan]-4(6H)-One adheres to stringent quality protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided with every shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

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%

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