6439-53-8 Usage
Preparation
M-nitroaniline diazo, and 4-Hydroxy-1-methylquinolin-2(1H)-one?coupling
Properties and Applications
Green light yellow. Yellow powder. Insoluble in water and soluble in alcohol benzene soluble fiber element and acetone carbon tetrachloride, slightly soluble in special solvent, tao. The strong sulfuric acid to golden yellow, yellow as diluted, nitrate in thick
Standard
Ironing Fastness
Light Fastness
Persperation Fastness
Washing Fastness
Fading
Stain
Fading
Stain
Fading
Stain
ISO
4-5
4
5-6
5
3
5
5
Standard
Ironing Fastness
Fading
Stain
ISO
4-5
Check Digit Verification of cas no
The CAS Registry Mumber 6439-53-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,3 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6439-53:
(6*6)+(5*4)+(4*3)+(3*9)+(2*5)+(1*3)=108
108 % 10 = 8
So 6439-53-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H12N4O4/c1-19-13-8-3-2-7-12(13)15(21)14(16(19)22)18-17-10-5-4-6-11(9-10)20(23)24/h2-9,17H,1H3/b18-14-