Quinophthalone, CAS 5662-03-3

Product Description: Quinophthalone is a dye with distinctive greenish yellow color. Quinophthalone is used as coloring agents for various materials. Quinophthalone is a strong sensitizer in guinea pigs, and its threshold concentration for induction and challenge was 10 ppm[1][2].

Formula: C18H11NO2

References: [1]Gi Rim Han, et al. Shedding new light on an old molecule: quinophthalone displays uncommon N-to-O excited state intramolecular proton transfer (ESIPT) between photobases. Sci Rep. 2017 Jun 20;7(1):3863./[2]Y Sato, et al. D&C nos. 10 and 11: chemical composition analysis and delayed contact hypersensitivity testing in the guinea pig. Contact Dermatitis. 1984 Jan;10(1):30-8.

CAS Number: 5662-03-3

Molecular Weight: 273.29

Compound Purity: 99.85

Research Area: Others

Target: Fluorescent Dye

• SKU: MEXHY-D2337-1
• Manufacturer: MedChemExpress
• Manufacturer SKU: HY-D2337-1
• Green Labware: No
• Package Unit: 1 mg
• Quantity Unit: STK