Quinophthalone

Cat. No.: HY-D2337: Data Sheet Handling Instructions Technical Support

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 is 10 ppm.

For research use only. We do not sell to patients.

Quinophthalone Chemical Structure

CAS No. : 5662-03-3

Size	Price	Stock	Quantity
1 mg	USD 550	In-stock	Estimated Time of Arrival: April 17
5 mg		Get quote
10 mg		Get quote

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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 is 10 ppm^[1]^[2].
Molecular Weight	273.29
Formula	C₁₈H₁₁NO₂
CAS No.	5662-03-3
Appearance	Solid
SMILES	O=C1/C(C(C2=C1C=CC=C2)=O)=C3NC4=C(C=CC=C4)C=C/3
Shipping	Room temperature in continental US; may vary elsewhere.
Storage	4°C, protect from light *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Purity & Documentation	Data Sheet (271 KB) Handling Instructions (2659 KB)
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. [Content Brief] [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. [Content Brief]

Quinophthalone Related Classifications

Inflammation/Immunology

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The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass		Concentration		Volume		Molecular Weight *
	=		×		×

The dilution calculator equation

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Concentration _(start)	×	Volume _(start)	=	Concentration _(final)	×	Volume _(final)
	×		=		×
C1		V1		C2		V2

Keywords:

Quinophthalone5662-03-3Fluorescent DyeDyegreenishyellowsensitizerInhibitorinhibitorinhibit

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Quinophthalone

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