Description

(3R,4R)-2,2-Dimethyl-8-Oxo-2,3,4,8-Tetrahydropyrano[3,2-G]Chromene-3,4-Diyl Bis(2,3-Dimethyloxirane-2-Carboxylate) CAS NO 37975-61-4 is a high-purity, complex organic intermediate characterized by its specific stereochemistry and functionalized pyranochromene core. This compound is valued for its role as a key chiral building block in advanced synthetic pathways, particularly in pharmaceutical research and development. It is essential for chemists and manufacturers in the life sciences sector who require reliable, high-quality intermediates for producing target molecules with precise stereochemical configurations.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Organic Synthesis Research: Used in academic and industrial R&D for constructing novel heterocyclic compounds and exploring new chemical entities.
• Asymmetric Catalysis Studies: Serves as a substrate or ligand precursor in the development of stereoselective catalytic reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals where specific stereochemistry is required for functionality.
• Reference Standard: Utilized as an analytical standard for quality control and method development in analytical laboratories.

Basic Information

Item	Details
Product Name	(3R,4R)-2,2-Dimethyl-8-Oxo-2,3,4,8-Tetrahydropyrano[3,2-G]Chromene-3,4-Diyl Bis(2,3-Dimethyloxirane-2-Carboxylate)
CAS No.	37975-61-4
Molecular Formula	C26H30O10
Molecular Weight	502.51 g/mol
Synonyms	2,3,4,8-Tetrahydropyrano[3,2-g]chromene-3,4-diyl bis(2,3-dimethyloxirane-2-carboxylate), (3R,4R)-rel-; 2,2-Dimethyl-8-oxo-2,3,4,8-tetrahydropyrano[3,2-g]chromene-3,4-diyl bis(2,3-dimethyloxirane-2-carboxylate); (3R-cis)-2,2-Dimethyl-8-oxo-2,3,4,8-tetrahydropyrano[3,2-g]chromene-3,4-diyl bis(2,3-dimethyloxirane-2-carboxylate); Pyranochromene bis(epoxy ester) derivative.
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is analyzed to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) documenting key parameters such as assay, enantiomeric excess, and impurity profiles are available upon request. We adhere to a quality management system suitable for supplying materials for research and development purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. This material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 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.