Description

1(3Ah)-Pentalenone, 4,6A-Dihydro-4-Hydroxy-4-Methyl-, (3Ar,4S,6Ar)-Rel- (9Ci) is a specialized chiral intermediate of significant interest in advanced organic synthesis. This compound matters for its precise stereochemistry, which is critical for constructing complex molecular architectures with high enantiomeric purity. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the research and development of new therapeutic agents, particularly for creating stereochemically defined active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific stereochemistry can influence biological activity and environmental profile.
• Academic & Industrial Research: A valuable reagent for methodological studies in asymmetric synthesis, catalysis, and natural product total synthesis.
• Fine Chemical Production: Employed in the manufacture of high-value, complex specialty chemicals for various technology sectors.
• Process Chemistry Development: Utilized for scaling up synthetic routes from laboratory to pilot plant scale, optimizing for yield and purity.

Basic Information

Product Name	1(3Ah)-Pentalenone, 4,6A-Dihydro-4-Hydroxy-4-Methyl-, (3Ar,4S,6Ar)-Rel- (9Ci)
CAS No.	642470-85-7
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	rel-(3aR,4S,6aR)-4,6a-Dihydro-4-hydroxy-4-methyl-1(3aH)-pentalenone; 4,6a-Dihydro-4-hydroxy-4-methyl-1(3aH)-pentalenone, rel-(3aR,4S,6aR)-; (3aR,4S,6aR)-4-Methyl-4,6a-dihydro-1H-pentalene-1,4(5H)-diol; 4-Hydroxy-4-methyl-4,6a-dihydro-1H-pentalen-1-one; Chiral Dihydroxylated Pentalenone Derivative
EINECS	Contact for details

Quality Control

Our 1(3Ah)-Pentalenone derivative is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are available upon request for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound may be sensitive to prolonged exposure to air and moisture; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.