Description

1,2-Cyclopentanediol,1-Methyl-2-Phenyl-,(1R,2R)-Rel-(9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its rigid cyclopentane backbone and specific stereochemistry make it a valuable precursor for constructing complex molecular architectures with precise three-dimensional control. This compound is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for applications such as asymmetric synthesis, medicinal chemistry, and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for the synthesis of sophisticated chiral ligands used in enantioselective catalytic reactions.
• Agrochemical Research: Employed in the discovery and synthesis of new chiral herbicides, fungicides, and plant growth regulators.
• Material Science Monomer: Used in the development of specialty polymers and advanced materials where specific stereochemistry influences material properties.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry and for exploring new synthetic pathways in fine chemical production.

Basic Information

Item	Details
Product Name	1,2-Cyclopentanediol,1-Methyl-2-Phenyl-,(1R,2R)-Rel-(9Ci)
CAS No.	790220-74-5
Molecular Formula	C12H16O2
Molecular Weight	192.25 g/mol
Synonyms	(1R,2R)-1-Methyl-2-phenylcyclopentane-1,2-diol; rel-(1R,2R)-1-Methyl-2-phenyl-1,2-cyclopentanediol; (1R,2R)-1-Methyl-2-phenylcyclopentane-1,2-diol (rel); 1,2-Cyclopentanediol, 1-methyl-2-phenyl-, (1R,2R)-rel-; Chiral Cyclopentanediol Derivative; Phenyl-Substituted Cyclopentanediol
EINECS	Contact for details

Quality Control

Our 1,2-Cyclopentanediol,1-Methyl-2-Phenyl-,(1R,2R)-Rel-(9Ci) is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including chiral purity verification by HPLC and structural confirmation by NMR and IR spectroscopy. A Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (1R,2R)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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