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6-methoxyhomophthalic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69643-20-5

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69643-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69643-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69643-20:
(7*6)+(6*9)+(5*6)+(4*4)+(3*3)+(2*2)+(1*0)=155
155 % 10 = 5
So 69643-20-5 is a valid CAS Registry Number.

69643-20-5Relevant academic research and scientific papers

ANTHRACYCLINONE SYNTHESES USING STRONG BASE INDUCED CYCLOADDITION OF HOMOPHTHALIC ANHYDRIDES AND RELATED COMPOUNDS

Tamura, Yasumitsu,Sasho, Manabu,Akai, Shuji,Wada, Akimori,Kita, Yasuyuki

, p. 4539 - 4548 (2007/10/02)

The strong base induced cycloaddition of homophthalic anhydrides and related compounds to halo-1,4-naphthoquinone derivatives has been shown to provide short convergent syntheses of anthracyclinones, 4-demethoxydaunomycinone (1), daunomycinone (2), 11-deo

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