Description

11-Chloromethylene Pentacyclo[5.4.0.02,6.03,10.05,9]Undecan-8-One is a high-purity, complex polycyclic organic compound featuring a chloromethylene functional group, serving as a critical advanced intermediate in sophisticated organic synthesis. Its unique, rigid pentacyclic framework makes it an invaluable building block for constructing complex molecular architectures with precise stereochemistry. This compound is essential for research and development chemists in the pharmaceutical and advanced materials sectors, where it is used to develop novel active pharmaceutical ingredients (APIs) and specialty polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Advanced Material Precursor: Used in the development of specialty polymers, liquid crystals, and organic electronic materials due to its rigid, three-dimensional structure.
• Agrochemical Research: Serves as a complex intermediate in the synthesis of new-generation herbicides and pesticides with unique modes of action.
• Catalyst Ligand Synthesis: The polycyclic core can be functionalized to create novel, sterically demanding ligands for asymmetric catalysis.
• Academic & Industrial R&D: A valuable tool compound for methodological studies in organic chemistry, including studies on strain and reactivity.
• Fine Chemical Production: Employed in the custom synthesis of high-value, low-volume specialty chemicals for niche industrial applications.

Basic Information

Item	Detail
Product Name	11-Chloromethylene Pentacyclo[5.4.0.02,6.03,10.05,9]Undecan-8-One
CAS No.	92687-89-3
Molecular Formula	C12H11ClO
Molecular Weight	206.67 g/mol
Synonyms	11-(Chloromethylene)pentacyclo[5.4.0.0²,⁶.0³,¹⁰.0⁵,⁹]undecan-8-one; 11-Chloromethylenepentacyclo[5.4.0.0²,⁶.0³,¹⁰.0⁵,⁹]undecan-8-one; Chloromethylene Adduct of Pentacycloundecanone; Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Anhydride Chloromethylene Adduct
EINECS	Contact for details

Quality Control

Every batch of 11-Chloromethylene Pentacyclo[5.4.0.02,6.03,10.05,9]Undecan-8-One is manufactured and analyzed under a strict quality management system. We guarantee high purity and consistent batch-to-batch reproducibility to meet the exacting standards of advanced synthetic applications. Comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, is performed. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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