Description

cis-2-Methyl-4-Chromanol CAS NO 32149-08-9 is a high-purity chromanol derivative, a key chiral intermediate and building block in advanced organic synthesis. Its value lies in its specific stereochemistry, which is critical for producing compounds with targeted biological activity. This product is essential for research and development laboratories, pharmaceutical companies, and fine chemical manufacturers focused on creating novel active pharmaceutical ingredients (APIs), flavors, and fragrances.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of tocopherols (Vitamin E analogs) and other bioactive molecules.
• Flavor & Fragrance Precursor: Used in the development of complex aroma chemicals and flavoring agents due to its chroman structure.
• Antioxidant Research: Serves as a model compound or precursor in the study of novel antioxidant compounds and mechanisms.
• Fine Chemical Synthesis: Employed in asymmetric synthesis and the construction of oxygen-containing heterocycles for various specialty chemicals.
• Agrochemical Development: Acts as an intermediate in the research and production of certain pesticides and plant growth regulators.
• Material Science: Investigated as a monomer or additive for polymers requiring specific stability or functional properties.

Basic Information

Product Name	cis-2-Methyl-4-Chromanol
CAS No.	32149-08-9
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	2-Methylchroman-4-ol; cis-2-Methylchroman-4-ol; (3R,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol; 4-Chromanol, 2-methyl-, cis-; 2-Methyl-4-hydroxy-3,4-dihydro-2H-chromene; Tocopherol intermediate; Chromanol derivative
EINECS	Contact for details

Quality Control

Our cis-2-Methyl-4-Chromanol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and compliance with agreed specifications.

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). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere (e.g., nitrogen or argon). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (cis-isomer)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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