Description

1,7,8,9-Tetrahydro-5-Chloropyrano(2,3-G)Indole CAS NO 81257-94-5 is a specialized heterocyclic organic compound featuring a fused pyranoindole structure, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular architecture makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and complex agrochemicals. This high-purity intermediate is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical sectors seeking to innovate and scale new molecular entities.

Application

• Pharmaceutical Intermediate: A key synthon in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used as a core structural component in the development of new-generation herbicides and pesticides with specific modes of action.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex polycyclic frameworks and exploring new chemical spaces.
• Material Science Precursor: Investigated for the synthesis of specialized organic electronic materials and photoresists due to its fused aromatic system.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions.

Basic Information

Product Name	1,7,8,9-Tetrahydro-5-Chloropyrano(2,3-G)Indole
CAS No.	81257-94-5
Molecular Formula	C13H12ClNO
Molecular Weight	233.70 g/mol
Synonyms	5-Chloro-1,7,8,9-tetrahydropyrano[2,3-g]indole; 5-Chloro-1,7,8,9-tetrahydro-2H-pyrano[2,3-g]indole; 5-Chloro-2,3,4,9-tetrahydro-1H-pyrano[2,3-g]indole; 81257-94-5; Pyrano(2,3-g)indole, 1,7,8,9-tetrahydro-5-chloro-; 5-Chloro-1,2,3,9-tetrahydropyrano[2,3-g]indole
EINECS	Contact for details

Quality Control

Every batch of 1,7,8,9-Tetrahydro-5-Chloropyrano(2,3-G)Indole is manufactured under a strict quality management system and undergoes comprehensive analytical testing. We ensure compliance with relevant industry standards for advanced intermediates. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles as determined by advanced chromatographic and spectroscopic methods.

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 the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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