Description

2H-Pyran-2-One,Tetrahydro-5-Methyl-6-(1-Methylethyl)-,(5R-Trans)-(9Ci) is a specific stereoisomer of a tetrahydro-5-methyl-6-(1-methylethyl)-2H-pyran-2-one, a compound of significant interest in advanced organic synthesis and fragrance chemistry. Its defined stereochemistry at the 5-position makes it a valuable chiral building block and a source of complex, woody, and ambery olfactory notes. This high-purity intermediate is essential for research and development chemists and manufacturers in the pharmaceutical, flavor & fragrance, and fine chemical sectors seeking to create enantiomerically pure products or sophisticated aroma molecules.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: Serves as a key building block for the development of enantiomerically pure active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Fragrance & Flavor Ingredient: Used in the creation of high-value, complex fragrance accords, imparting woody, ambery, or lactonic nuances to perfumes and specialty flavor compositions.
• Advanced Organic Synthesis: Employed in academic and industrial R&D for constructing complex natural product analogs and novel molecular architectures due to its defined stereocenter and functional group.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing chiral ligands or organocatalysts used in asymmetric synthesis.
• Fine Chemical Manufacturing: Utilized in the production of specialty chemicals where specific stereochemistry is required for performance or regulatory reasons.

Basic Information

Item	Details
Product Name	2H-Pyran-2-One,Tetrahydro-5-Methyl-6-(1-Methylethyl)-,(5R-Trans)-(9Ci)
CAS No.	157968-87-1
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(5R)-5-Methyl-6-(propan-2-yl)tetrahydro-2H-pyran-2-one; (5R-trans)-Tetrahydro-5-methyl-6-(1-methylethyl)-2H-pyran-2-one; 5-Methyl-6-(1-methylethyl)tetrahydro-2H-pyran-2-one, (5R-trans)-; (R)-5-Methyl-6-isopropyltetrahydro-2-pyrone; 5-Methyl-6-isopropyl-δ-valerolactone, (5R)-; (5R)-5-Methyl-6-(propan-2-yl)oxan-2-one
EINECS	Contact for details

Quality Control

Every batch of our 2H-Pyran-2-One,Tetrahydro-5-Methyl-6-(1-Methylethyl)-,(5R-Trans)-(9Ci) is produced and tested under a strict quality management system. We employ advanced analytical techniques including HPLC, GC, and chiral analysis to ensure identity, purity, and enantiomeric excess meet exacting specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your project requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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