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5-Hydroxy-4(N-phenylcarbamoyl)naphth<2,1-d>1,3-oxathiol-2-on is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74682-43-2

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74682-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74682-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,8 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74682-43:
(7*7)+(6*4)+(5*6)+(4*8)+(3*2)+(2*4)+(1*3)=152
152 % 10 = 2
So 74682-43-2 is a valid CAS Registry Number.

74682-43-2Relevant academic research and scientific papers

Oxidative Coupling of CH-acid Compounds with p-Phenylenediamines. VII. Synthesis and Oxidative Coupling of 5-Hydroxy-naphth 1,3-oxathiol-2-ones

Mann, G.,Wilde, H.,Hauptmann, S.,Naumann, M.,Lepom, P.

, p. 776 - 784 (2007/10/02)

5-Hydroxy-naphth1,3-oxathiol-2-ones with different substituents 1-21 were synthesized using the following procedures: Condensation of substituted naphthoquinones-1,4 with thiourea (A); electrophilic substitution of 5-hydroxy-naphth1,3-oxathi

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