Description

Isoindigotin CAS NO 476-34-6 is a synthetic organic compound belonging to the indigoid class of dyes and pigments. This high-purity chemical is valued for its role as a key intermediate in the synthesis of complex organic molecules and functional dyes. It serves critical needs in the research and development of advanced materials, including organic semiconductors and specialty colorants for high-performance applications.

Application

• Organic Semiconductor Research: A crucial building block for synthesizing novel π-conjugated materials used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Specialty Dye & Pigment Intermediate: Serves as a precursor in the manufacturing of high-value, color-fast indigoid dyes and pigments for niche industrial applications.
• Pharmaceutical Research: Utilized as a sophisticated synthetic intermediate in the discovery and development of new active pharmaceutical ingredients (APIs) with complex heterocyclic structures.
• Material Science Development: Employed in creating novel polymers and functional materials that require specific optical or electronic properties derived from the indigotin core structure.
• Analytical Chemistry: Used as a reference standard and reagent in chromatographic analysis and spectroscopic studies of related compounds.

Basic Information

Product Name	Isoindigotin
CAS No.	476-34-6
Molecular Formula	C16H10N2O2
Molecular Weight	262.27 g/mol
Synonyms	Isoindigo; 3H,3'H-Bi[2]benzopyrrole-3,3'-dione, 2,2'-dihydro-; 2,2'-Biindolinylidene-3,3'-dione; 2,2'-Dihydro-[3,3']biindolylidene-dione; Indirubin isomer; trans-Indirubin; Isoindigotin
EINECS	207-506-3

Quality Control

Our Isoindigotin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the stringent requirements of research and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

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 sealed to prevent contamination and minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.