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99566-60-6

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99566-60-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99566-60-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,6 and 6 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99566-60:
(7*9)+(6*9)+(5*5)+(4*6)+(3*6)+(2*6)+(1*0)=196
196 % 10 = 6
So 99566-60-6 is a valid CAS Registry Number.

99566-60-6Relevant articles and documents

New Dyes from Naphthostyril-5-carboxylic Acid: Synthesis of 6,12-Anthanthrenedione-3,4,9,10-tetracarboxylic Diimides, Naphthostyril-5,6-dicarboximides and 1-Amino-4-arylaminonaphthalene-5,8-dicarboxylic Bislactams

Dalvi, S.S.,Seshadri, S.

, p. 377 - 382 (2007/10/02)

The novel vat dyes 6,12-anthanthrenedione-3,4,9,10-tetracarboxylic diimides (XIa-c) and the disperse dyes, naphthostyril-5,6-dicarboximides (XVIIIa-f) and bislactams (XIXa-d) have been synthesised from a common intermediate, naphthostyril-5-carboxylic acid (V).An improved method has also been developed for the synthesis of V.

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