6408-37-3 Usage
Preparation
2-Chloro-4-nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid?coupling.
Properties and Applications
red orange. Soluble in water and Etanol for yellow. In concentrated sulfuric acid for golden orange, dilution after light golden brown. Dye aqueous solution to join concentrated hydrochloric acid for green yellow; Join concentrated Sodium hydroxide solution for red wine.
Standard
Ironing Fastness
Light Fastness
Fulling
Persperation Fastness
Soaping
Water
Alkali
Acid
ISO
3
4-5
4
3
4-5
4
4
Standard
Ironing Fastness
Alkali
Acid
ISO
3
Check Digit Verification of cas no
The CAS Registry Mumber 6408-37-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,0 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6408-37:
(6*6)+(5*4)+(4*0)+(3*8)+(2*3)+(1*7)=93
93 % 10 = 3
So 6408-37-3 is a valid CAS Registry Number.