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1,7-Naphthalenedisulfonic acid, 2-amino-5-[[(4-methylphenyl)sulfonyl]oxy]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

756877-45-9

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756877-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 756877-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,8,7 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 756877-45:
(8*7)+(7*5)+(6*6)+(5*8)+(4*7)+(3*7)+(2*4)+(1*5)=229
229 % 10 = 9
So 756877-45-9 is a valid CAS Registry Number.

756877-45-9Relevant academic research and scientific papers

AZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED MATTER

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Page/Page column 19, (2008/06/13)

The present invention relates to an azo compound represented by the following formula (1) [KA 1] (wherein, each of R1 and R2 independently represents a hydrogen atom, a halogen atom, a cyano group, a carboxyl group, a sulfo group, a

TRISAZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED MATTER

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Page/Page column 64-65; 76, (2008/12/07)

The present invention relates to a trisazo compound represented by the following formula (1) or a salt thereof, (wherein, the group A is a substituted phenyl group, the group B and the group C are substituted para-phenylene groups, R1 represent

AZO COMPOUND, INK COMPOSITION AND COLORING MATERIAL

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Page/Page column 16, (2008/06/13)

[Problems] A compound of a black ink which has such excellent fastnesses of a recorded article as light fastness, ozone gas fastness and moisture fastness, excellent solubility, and storage stability as a recording liquid, when used for inkjet recording a

AZO COMPOUND, INK COMPOSITION, AND COLORED OBJECT

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Page/Page column 19-20, (2008/06/13)

A novel azo compound represented by the following formula (1) wherein A represents the following formula (2) and is located preferably in a position meta or para to the azo group; R 1 and R 2 each independently represents hydrogen, carboxy, sulfo, nitro,

TRISAZO COMPOUND, INK COMPOSITION, AND COLORED OBJECT

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Page/Page column 15; 21-22, (2010/11/23)

[PROBLEMS] To provide: a black compound which is for use in ink-jet recording or writing utensils, is excellent in ozone resistance, light resistance, moisture resistance, and color rendering, and gives a recording fluid having satisfactory storage stabil

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