Description

8-Methyl-4H-Thieno[3,2-C]Chromene-2-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with a complex fused-ring heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates targeting a range of therapeutic areas.
• Organic Synthesis Building Block: Used in medicinal chemistry for constructing complex fused-ring systems with potential biological activity.
• Research & Development (R&D): Essential for academic and industrial research focused on heterocyclic chemistry and new chemical entity (NCE) discovery.
• API Manufacturing: Employed in the scaled-up production of active pharmaceutical ingredients under controlled GMP environments.
• Chemical Reference Standard: Used as a high-purity standard for analytical method development and quality control in pharmaceutical analysis.

Basic Information

Product Name	8-Methyl-4H-Thieno[3,2-C]Chromene-2-Carboxylic Acid
CAS No.	925005-55-6
Molecular Formula	C₁₃H₁₀O₃S
Molecular Weight	246.28 g/mol
Synonyms	8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid; 8-Methyl-4H-thieno[3,2-c]chromene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 8-Methyl-4H-Thieno[3,2-C]Chromene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the stringent requirements for pharmaceutical R&D and manufacturing. A detailed Certificate of Analysis (COA) is provided with every shipment.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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