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12236-21-4

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12236-21-4 Usage

Preparation

2-Amino-5-nitrophenol? diazo, and 2-Methyl-N-hydroxyethyl-N-cyanoethylaniline?coupling.

Properties and Applications

Red. Used for polyester and their blended fabric dyeing. Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness Fading Stain Fading Stain Fading Stain AATCC 4 5 5 5 5 5

Standard

Ironing Fastness

Fading

Stain

Check Digit Verification of cas no

The CAS Registry Mumber 12236-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12236-21:
(7*1)+(6*2)+(5*2)+(4*3)+(3*6)+(2*2)+(1*1)=64
64 % 10 = 4
So 12236-21-4 is a valid CAS Registry Number.

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