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138778-06-0

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138778-06-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138778-06-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,7 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138778-06:
(8*1)+(7*3)+(6*8)+(5*7)+(4*7)+(3*8)+(2*0)+(1*6)=170
170 % 10 = 0
So 138778-06-0 is a valid CAS Registry Number.

138778-06-0Relevant articles and documents

Anodic Oxidation Products of 2',5'-Dimethoxyacetanilide Derivatives, and Their Application to the Synthesis of Aminoanthraquinones

Russell, Richard A.,Longmore, Robert W.,Warrener, Ronald N.

, p. 1691 - 1704 (2007/10/02)

Anodic oxidation of simple 2',5'-dimethoxyacetanilides proceeds under mildly basic conditions to afford either monomeric or dimeric quinone bisacetals, depending on the structure of the substrate.Similarly, the oxidation of linked derivatives of 2',5'-dimethoxyacetanilides is shown to exhibit a comparable sensitivity, with non-alkylated amides being efficiently converted into bis(quinone bisacetals).The regiospecificity of acetal hydrolysis for both simple and linked quinone bisacetals is shown to be dependent upon the nature of the N-acyl group.The annelation of these hydrolysis products with the anion of 3-cyanophthalide to yield (acylamino)anthraquinones is also reported.

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