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4-Hydroxy-5-methoxynaphthalene-2-carboxylic acid is a naturally occurring organic compound with the molecular formula C12H10O5. It is a derivative of naphthalene, a bicyclic aromatic hydrocarbon, and features a hydroxyl group at the 4-position, a methoxy group at the 5-position, and a carboxylic acid group at the 2-position. 4-hydroxy-5-methoxynaphthalene-2-carboxylic acid is known for its presence in certain plants and has been studied for its potential biological activities, such as antioxidant properties. It is also of interest in the field of organic synthesis due to its unique structure and the possibility of its use as a building block for more complex molecules. The compound's chemical properties, such as its reactivity and stability, make it a subject of interest for further research and potential applications in various industries, including pharmaceuticals and materials science.

491-76-9

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491-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 491-76-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 491-76:
(5*4)+(4*9)+(3*1)+(2*7)+(1*6)=79
79 % 10 = 9
So 491-76-9 is a valid CAS Registry Number.

491-76-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-hydroxy-5-methoxynaphthalene-2-carboxylic acid

1.2 Other means of identification

Product number -
Other names 2-Naphthalenecarboxylic acid,4-hydroxy-5-methoxy

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:491-76-9 SDS

491-76-9Relevant academic research and scientific papers

Synthesis and photochromic properties of methoxy substituted 2,2-diaryl-2H-naphtho[1,2-b]pyrans

Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark,Thomas, David A.,Kilner, Colin,Partington, Steven M.

, p. 567 - 582 (2007/10/03)

A series of methoxy-substituted 2,2-di(4-methoxyphenyl)-2H-naphtho[1,2-b]pyrans has been synthesised from 3-alkoxycarbonyl-1-naphthols and 1,1-di(4-methoxyphenyl)prop-2-yn-1-ol. The influence of the methoxy group on the wavelength of maximum absorption an

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