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5-benzyloxy-3-bromo-4,7,8-trimethoxynaphthalene-2-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

693784-42-8

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693784-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 693784-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,7,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 693784-42:
(8*6)+(7*9)+(6*3)+(5*7)+(4*8)+(3*4)+(2*4)+(1*2)=218
218 % 10 = 8
So 693784-42-8 is a valid CAS Registry Number.

693784-42-8Relevant articles and documents

Synthesis of (±)-pyranonaphthoquinone derivatives, a Cdc25A phosphatase inhibitor

Shimbashi, Akiko,Ishikawa, Yuichi,Nishiyama, Shigeru

, p. 939 - 941 (2007/10/03)

The novel pyranonaphthoquinone 2, carrying Cdc25A phosphatase inhibitory activity, has been successfully synthesized through tricyclic compound 16, which was obtained from 15 by using the intramolecular Michael addition. The precursor 9 was derived from 5

The synthesis and biological activity of pyranonaphthoquione derivatives from Streptomyces sp. and their related substances

Shimbashi, Akiko,Tsuchiya, Ayako,Imoto, Masaya,Nishiyama, Shigeru

, p. 1925 - 1930 (2007/10/03)

The total synthesis of a novel pyranonaphthoquinone (2) having Cdc25A phosphatase inhibitory activity is achieved. The key step in this synthetic pathway is the intramolecular Michael addition for construction of the pyran ring system. The inhibitory acti

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