6408-71-5 Usage
Preparation
1,4-Diamino-2,3-dichloroanthracene-9,10-dione under pressure, in sodium sulfite, and manganese dioxide exist with phenol?condensation.
Properties and Applications
red light purple. Soluble in alcohol. The strong sulfuric acid in colorless, diluted for dark purple.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
5
2-3
2-3
3
2
2
3-4
2-3
Standard
Light Fastness
Fading
Stain
ISO
5
Check Digit Verification of cas no
The CAS Registry Mumber 6408-71-5 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, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6408-71:
(6*6)+(5*4)+(4*0)+(3*8)+(2*7)+(1*1)=95
95 % 10 = 5
So 6408-71-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H14N2O6S.Na/c21-15-13-14(18(24)12-9-5-4-8-11(12)17(13)23)16(22)20(29(25,26)27)19(15)28-10-6-2-1-3-7-10;/h1-9H,21-22H2,(H,25,26,27);/q;+1/p-1