Description

1,3-Dimethylthieno[3',4':5,6]thiopyrano[4,3-b]indole CAS NO 17820-13-2 is a complex heterocyclic organic compound featuring fused thiophene, thiopyran, and indole ring systems. This specialized chemical serves as a critical advanced intermediate in the synthesis of novel organic materials and active pharmaceutical ingredients (APIs). It is primarily required by research institutions and industrial R&D departments focused on developing new functional molecules for electronics and pharmaceuticals.

Application

• Pharmaceutical Intermediate: A key building block for the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Organic Electronic Materials: Used in the synthesis of novel organic semiconductors, charge-transport materials, and light-emitting compounds for OLED and OFET applications.
• Dye & Pigment Research: Serves as a precursor for developing specialized heterocyclic dyes with unique optical properties.
• Agrochemical Research: Employed as an intermediate in creating new active ingredients for crop protection products.
• Academic & Industrial R&D: A valuable compound for synthetic organic chemistry research, methodology development, and exploring new chemical spaces.
• Material Science: Investigated for the creation of novel polymers and coordination complexes with specific electronic or photophysical characteristics.

Basic Information

Product Name	1,3-Dimethylthieno[3',4':5,6]thiopyrano[4,3-b]indole
CAS No.	17820-13-2
Molecular Formula	C15H11NS2
Molecular Weight	269.38 g/mol
Synonyms	1,3-Dimethylthieno[3',4':5,6]thiopyrano[4,3-b]indole; 1,3-Dimethylthienothiopyranoindole; Thieno[3',4':5,6]thiopyrano[4,3-b]indole, 1,3-dimethyl-; 1,3-Dimethyl-5H-thieno[3',4':5,6]thiopyrano[4,3-b]indole; 17820-13-2; DTTPI; DTTPI-1
EINECS	Contact for details

Quality Control

Our production of 1,3-Dimethylthieno[3',4':5,6]thiopyrano[4,3-b]indole adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development purposes. Each lot is characterized using advanced analytical techniques including HPLC, GC-MS, and NMR to confirm identity and purity. 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 a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its complex fused-ring structure, prolonged exposure to light or elevated temperatures should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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