6219-99-4 Usage
Preparation
2,4-Dichloro-6-aminodiphenyl ether and Methyl 1-chloro-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate?condensation, hydrolysis, and then use Benzoyl chloride in 1,2-dichlorobenzene cyclization.
Properties and Applications
blue light pink. In alkaline solution of sodium hydrosulfite maroon; In the acidic insurance powder solution for dark orange.
Standard
Ironing Fastness
Chlorine bleach
Light Fastness
Mercerized
Oxygen bleach
Soaping
Fading
Stain
ISO
5
5
7
4
4-5
4-5
5
Standard
Ironing Fastness
Fading
Stain
ISO
5
Check Digit Verification of cas no
The CAS Registry Mumber 6219-99-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,1 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6219-99:
(6*6)+(5*2)+(4*1)+(3*9)+(2*9)+(1*9)=104
104 % 10 = 4
So 6219-99-4 is a valid CAS Registry Number.
InChI:InChI=1/C27H13Cl2NO4/c28-18-12-19(29)27(34-13-6-2-1-3-7-13)23-21(18)26(33)17-11-10-16-20(22(17)30-23)25(32)15-9-5-4-8-14(15)24(16)31/h1-12H,(H,30,33)