Description

2-Acetylamino-5,5-Dimethyl-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially those targeting the central nervous system or possessing anti-inflammatory properties.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex thienopyran-based heterocyclic libraries for biological screening.
• Agrochemical Development: Serves as a precursor in the research and development of new crop protection agents with specific modes of action.
• Material Science: Investigated as a monomer or additive for creating specialty polymers with unique electronic or optical properties.

Basic Information

Product Name	2-Acetylamino-5,5-Dimethyl-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid
CAS No.	64792-58-1
Molecular Formula	C₁₃H₁₅NO₄S
Molecular Weight	281.33 g/mol
Synonyms	2-Acetamido-5,5-dimethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid; 5H-Thieno[2,3-c]pyran-3-carboxylic acid, 2-(acetylamino)-4,7-dihydro-5,5-dimethyl-; 2-Acetylamino-5,5-dimethyl-4,7-dihydro-5H-thieno(2,3-c)pyran-3-carboxylic acid; 64792-58-1; Thienopyran carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our production of 2-Acetylamino-5,5-Dimethyl-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the exacting standards required for pharmaceutical R&D. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The product may be hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.