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4923-53-9

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4923-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4923-53-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,2 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4923-53:
(6*4)+(5*9)+(4*2)+(3*3)+(2*5)+(1*3)=99
99 % 10 = 9
So 4923-53-9 is a valid CAS Registry Number.

4923-53-9SDS

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 6-hydroxynaphthalene-1,4-dione

1.2 Other means of identification

Product number -
Other names 6-hydroxy-1,4-naphthoquinone

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

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4923-53-9 SDS

4923-53-9Relevant articles and documents

Strategies towards the synthesis of 6-N,N-diethylcarbamyloxy-1,4-dimethoxy- 7-naphthylboronic acid

Ameer,Green, Ivan R.,Krohn,Sitoza

, p. 3041 - 3057 (2007)

After acetylation, condensation between Danishefsky's diene and benzoquinone afforded a stable methoxytriacetoxydihydronaphthalene intermediate, which was subsequently transformed by the Snieckus DOM protocol into the regiospecific 7-naphthylboronic acid.

Synthesis, biological evaluation, and correlation of cytotoxicity versus redox potential of 1,4-naphthoquinone derivatives

Shen, Chien-Chang,Afraj, Shakil N.,Hung, Chia-Cheng,Barve, Balaji D.,Kuo, Li-Ming Yang,Lin, Zhi-Hu,Ho, Hisu-O.,Kuo, Yao-Haur

, (2021/04/12)

A series of 1,4-naphthoquinone derivatives of lawsone (1), 6-hydroxy-1,4-naphthoquinone (2), and juglone (3) were synthesized by alkylation, acylation, and sulfonylation reactions. The yields of lawsone derivatives 1a-1k (type A), 6-hydroxy-1,4-naphthoqui

Oxidative Dearomatization of Phenols and Polycyclic Aromatics with Hydrogen Peroxide Triggered by Heterogeneous Sulfonic Acids

Pancrazzi, Francesco,Maestri, Giovanni,Maggi, Raimondo,Viscardi, Rosanna

supporting information, p. 5407 - 5414 (2021/10/25)

We report herein a method for the oxidative dearomatization of phenols and bare polycyclic arenes into the corresponding quinoid derivatives using hydrogen peroxide. The reaction is catalyzed by sulfonic acids and best results were achieved using heterogenized species. The best results using phenols were achieved using a hybrid material, namely a perfluorinated polymer functionalized with sulfonic acid groups supported on silica. The dearomatization of polycyclic aromatic hydrocarbons performed better using the polymeric acid catalyst. These methods operate under mild conditions, using mild and benign oxidants and thus minimizing the formation of waste.

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