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257282-47-6

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257282-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 257282-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,2,8 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 257282-47:
(8*2)+(7*5)+(6*7)+(5*2)+(4*8)+(3*2)+(2*4)+(1*7)=156
156 % 10 = 6
So 257282-47-6 is a valid CAS Registry Number.

257282-47-6Relevant articles and documents

Colored resin composition

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Paragraph 0203-0204, (2021/01/29)

PROBLEM TO BE SOLVED: To provide a colored resin composition which is more excellent in light resistance and heat resistance of a formed color filter, and more excellent in heat resistance in a state that an overcoat is laminated, than a conventionally kn

A dye preparation method

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Paragraph 0021-0029, (2017/07/04)

The invention discloses a preparation method of a dye. The dye is 3,3'-[(9,10-dihydro-9,10-dioxo-1,4-anthryl-di-yl)diimino]bis[N-cyclohexyl-2,4,6-trimethyl]benzenesulfonamide. The target product is prepared through a reaction of solvent blue 104 and chlor

MIGRATION-FREE COLOURED COPOLYCONDENSATES FOR COLOURING POLYMERS

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Page/Page column 33; 34, (2011/04/24)

The invention relates to coloured and/or fluorescent copolycondensates which are obtained by reaction of colourants substituted by at least two reactive groups which do not interfere with one another, with selected cyclic dicarboxylic acids (especially 1,

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