Description

3,4-Dihydro-2-Methyl-5H-Naphtho[1,8-Bc]Thiophen-5-One is a high-purity, specialized heterocyclic organic compound featuring a fused naphthothiophenone structure. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily utilized by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Building block for developing new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis: Versatile scaffold for constructing complex polycyclic structures in academic and industrial research.
• Material Science: Potential monomer or precursor for organic electronic materials, such as semiconductors or charge-transport layers.
• Dye & Pigment Industry: Intermediate for synthesizing specialized dyes and pigments with unique optical properties.
• Chemical Reference Standard: High-purity material for analytical method development, validation, and quality control.

Basic Information

Product Name	3,4-Dihydro-2-Methyl-5H-Naphtho[1,8-Bc]Thiophen-5-One
CAS No.	10243-18-2
Molecular Formula	C13H10OS
Molecular Weight	214.28 g/mol
Synonyms	2-Methyl-3,4-dihydro-5H-naphtho[1,8-bc]thiophen-5-one; 2-Methylbenzo[4,5]thieno[3,2-c]chromen-6-one; 2-Methyl-5H-naphtho[1,8-bc]thiophen-5-one; Naphtho[1,8-bc]thiophen-5(5H)-one, 3,4-dihydro-2-methyl-; 10243-18-2
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-2-Methyl-5H-Naphtho[1,8-Bc]Thiophen-5-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality and regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.