Description

Carbamic Acid, [(2R,4S)-3,4-Dihydro-2-Methyl-2H-Pyran-4-Yl]-, 1,1- CAS NO 697752-42-4 is a specialized chiral intermediate of significant interest in advanced organic synthesis. Its value lies in its defined stereochemistry and functionalized pyran ring, which serve as a crucial building block for constructing complex molecular architectures. This compound is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and herbicides, leveraging its unique heterocyclic structure.
• Asymmetric Catalysis Research: Serves as a precursor or ligand in the study and development of new asymmetric catalytic reactions.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Academic & Industrial R&D: A valuable tool for chemists in university and corporate laboratories exploring novel synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	Carbamic Acid, [(2R,4S)-3,4-Dihydro-2-Methyl-2H-Pyran-4-Yl]-, 1,1-
CAS No.	697752-42-4
Molecular Formula	C8H13NO3
Molecular Weight	171.19 g/mol
Synonyms	1,1-Carbamic acid, [(2R,4S)-3,4-dihydro-2-methyl-2H-pyran-4-yl]-; (2R,4S)-4-[(Aminocarbonyl)oxy]-3,4-dihydro-2-methyl-2H-pyran; (4S)-4-[(Aminocarbonyl)oxy]-3,4-dihydro-2-methyl-2H-pyran; (2R,4S)-4-Carbamoyloxy-3,4-dihydro-2-methyl-2H-pyran; 2H-Pyran-4-ol, 3,4-dihydro-2-methyl-, 4-carbamate, (2R,4S)-; CAS 697752-42-4
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, [(2R,4S)-3,4-Dihydro-2-Methyl-2H-Pyran-4-Yl]-, 1,1- adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, to confirm identity, stereochemical purity, and assay. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
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.