99576-15-5 Usage
Preparation
4-Amino-N-(4-aminophenyl)benzenesulfonamide double nitriding.sulfonylurea aniline in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-Nitrobenzenamine diazo, and the above the products in alkaline conditions coupled, its product again with Benzene-1,3-diamine?coupling between.
Properties and Applications
black. Suitable for wool, silk, polyamide fiber dyeing and printing, also suitable for leather color.
Check Digit Verification of cas no
The CAS Registry Mumber 99576-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,7 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99576-15:
(7*9)+(6*9)+(5*5)+(4*7)+(3*6)+(2*1)+(1*5)=195
195 % 10 = 5
So 99576-15-5 is a valid CAS Registry Number.
