Description

Spiro[1,3-Dioxolane-2,5-[5H]Inden]-1-One, Octahydro-7A-Methyl-, Oxime, (3Ar,7As)- (9Ci) is a high-purity, specialized spirocyclic oxime compound, serving as a critical advanced intermediate in complex organic syntheses. Its unique fused ring structure makes it a valuable building block for constructing novel molecular architectures with specific stereochemistry. This compound is essential for research and development chemists in the pharmaceutical and agrochemical sectors, where it is used to develop new active ingredients and functional materials. CAS number 820962-43-4.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Building block for developing new generation pesticides and herbicides with enhanced efficacy and selectivity.
• Material Science: Used in the research of specialty polymers and liquid crystals where its rigid spirocyclic core can impart unique physical properties.
• Organic Synthesis: Versatile chiral intermediate for constructing complex natural products and other stereochemically defined molecules in academic and industrial R&D.
• Chemical Biology: Potential scaffold for developing molecular probes and tool compounds to study biological pathways.

Basic Information

Product Name	Spiro[1,3-Dioxolane-2,5-[5H]Inden]-1-One, Octahydro-7A-Methyl-, Oxime, (3Ar,7As)- (9Ci)
CAS No.	820962-43-4
Molecular Formula	C12H19NO3
Molecular Weight	225.29 g/mol
Synonyms	Octahydro-7a-methylspiro[1,3-dioxolane-2,5'-[5H]inden]-1'-one oxime; (3aR,7aS)-Octahydro-7a-methylspiro[1,3-dioxolane-2,5'-[5H]inden]-1'-one oxime; Spiro[1,3-dioxolane-2,5'-[5H]inden]-1'-one, octahydro-7a-methyl-, oxime, (3aR,7aS)-; 820962-43-4; (3aR,7aS)-7a-Methyloctahydrospiro[1,3-dioxolane-2,5'-inden]-1'-one oxime
EINECS	Contact for details

Quality Control

Our Spiro[1,3-Dioxolane-2,5-[5H]Inden]-1-One, Octahydro-7A-Methyl-, Oxime is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We support development and scale-up projects with customizable specifications to meet specific research or process requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm

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