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116429-26-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116429-26-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,4,2 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 116429-26:
116 % 10 = 6
So 116429-26-6 is a valid CAS Registry Number.

116429-26-6Relevant articles and documents

Naphthoquinone Methide-type Near-IR Colour Formers: their Synthesis and Oxidation Properties

Kubo, Yuji

, p. 889 - 892 (2007/10/02)

New colourless naphthoquinone methide-type near-IR colour formers 1 have been synthesized, which immediately exhibit intense absorption in the near-IR region upon oxidation by p-benzoquinone.The colour development has been investigated using the stopped-f

Novel Syntheses of Naphthoquinone Methide Near-infrared Dyes

Kubo, Yuji,Mori, Fujio,Komatsu, Keiko,Yoshida, Katsuhira

, p. 2439 - 2442 (2007/10/02)

A novel type of naphthoquinone methide near-i.r. dye has been synthesized by condensing 1-naphtyl-malononitrile or 1-naphthylcyanoacetamide with p-N,N-dialkylaminoanilines in the presence of an oxidizing agent under alkali conditions.These dyes can absorb near-i.r. light at 722-761 nm.A dye film of 4-(4-diethylamino-2-methylphenylimino)-1,4-dihydronaphthylidenemalononitrile showed a λmax. value of 785 nm and reflected 23.3percent of the incident light intensity at 830 nm; these properties make the compound a potential diode-laser optical storage medium.

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