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72828-03-6

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72828-03-6 Usage

Preparation

2-Amino-6-(2-(sulfooxy)ethylsulfonyl)naphthalene-1-sulfonic acid?diazo, and 4-Formamido-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.

Properties and Applications

blu-ray red. Red powder blue. In the water solubility of 50 g/L. Used for cellulose fiber fabric dyed, continuous rolling fountain to dye, piled up dyeing method, can also be used for printing, especially suitable for two-phase printing, discharge sex is good. Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping Fading Stain Fading Stain Fading Stain ISO 4-5 5 5(Acid)5(Alkali) 4-54-5 4 4

Standard

Light Fastness

Fading

Stain

ISO

4-5

Check Digit Verification of cas no

The CAS Registry Mumber 72828-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,2 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72828-03:
(7*7)+(6*2)+(5*8)+(4*2)+(3*8)+(2*0)+(1*3)=136
136 % 10 = 6
So 72828-03-6 is a valid CAS Registry Number.

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