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C18H19N5O2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

888491-06-3

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888491-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 888491-06-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,8,4,9 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 888491-06:
(8*8)+(7*8)+(6*8)+(5*4)+(4*9)+(3*1)+(2*0)+(1*6)=233
233 % 10 = 3
So 888491-06-3 is a valid CAS Registry Number.

888491-06-3Downstream Products

888491-06-3Relevant academic research and scientific papers

Copolymerizable methine and anthraquinone compounds and articles containing them

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Page/Page column 32, (2008/06/13)

This invention relates to polymerizable ultraviolet light absorbers and yellow colorants and their use in ophthalmic lenses. In particular, this invention relates to polymerizable ultraviolet light absorbing methine compounds and yellow compounds of the methine and anthraquinone classes that block ultraviolet light and/or violet-blue light transmission through ophthalmic lenses.

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