Description

5,6-Dihydroxyindoline (CAS No. 29539-03-5) is a high-purity biochemical intermediate with the molecular formula C₈H₉NO₂ and IUPAC name 2,3-dihydro-1H-indole-5,6-diol. This compound is a critical precursor in the synthesis of melanin-related polymers and neuromelanin, making it invaluable for biochemical and pharmacological research. Its dihydroxy-substituted indoline structure enables versatile reactivity in oxidative coupling and polymerization studies. Provided as an off-white to light brown crystalline powder, our product is rigorously tested for purity (≥98% by HPLC) and stability, ensuring reproducibility in sensitive applications. Suitable for use as a reference standard or synthetic building block, it is packaged under inert gas to prevent oxidation. Store at 2-8°C in a tightly sealed container.

Properties

• CAS Number: 29539-03-5
• Complexity: 151
• IUPAC Name: indoline-5,6-diol
• InChI: InChI=1S/C8H9NO2/c10-7-3-5-1-2-9-6(5)4-8(7)11/h3-4,9-11H,1-2H2
• InChI Key: VGSVNUGKHOVSPK-UHFFFAOYSA-N
• Exact Mass: 151.063328530
• Molecular Formula: C8H9NO2
• Molecular Weight: 151.16
• SMILES: C1CNC2=CC(=C(C=C21)O)O
• Topological: 52.5
• Monoisotopic Mass: 151.063328530
• Physical Description: Solid
• Synonyms: 29539-03-5, Indoline-5,6-diol, 5,6-Indolinediol, 5,6-Dihydroxyindoline, Leukoaminochrome, 2,3-dihydro-1H-indole-5,6-diol, 1H-Indole-5,6-diol, 2,3-dihydro-, 56DHInn, 2-descarboxy-cyclo-dopa, HH49N58FJ9, 2,3-Dihydro-5,6-dihydroxyindole, 5,6-Dihydroxy-2,3-dihydroindole, Leucoaminochrome, LEUCODOPAMINOCHROME, UNII-HH49N58FJ9, SCHEMBL93915, SCHEMBL9404859, CHEBI:74683, DTXSID80865492, VGSVNUGKHOVSPK-UHFFFAOYSA-N, STR10072, AKOS015915284, AC-27802, CS-0343102, NS00125958, C17756, G78785, Q27144821

Application

5,6-Dihydroxyindoline serves as a key monomer in the synthesis of eumelanin-inspired polymers for conductive biomaterials and UV-absorbing coatings. Researchers utilize it to model neuromelanin formation in Parkinson’s disease studies due to its structural similarity to dopamine oxidation products. The compound also finds application in developing hair dye intermediates and as a radical scavenger in antioxidant assays.

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.