6441-66-3 Usage
Preparation
3,5-Diamino-4-methylbenzenesulfonic acid double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.
Properties and Applications
brown. Soluble in water for red light yellow to orange red, and adequate soluble in alcohol. The strong sulfuric acid for olive brown, diluted red for yellow. Dye with strong hydrochloric acid solution for orange brown, have precipitation; Add thick sodium hydroxide solution discoloration.
Check Digit Verification of cas no
The CAS Registry Mumber 6441-66-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6441-66:
(6*6)+(5*4)+(4*4)+(3*1)+(2*6)+(1*6)=93
93 % 10 = 3
So 6441-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C19H20N8O3S.Na/c1-10-18(26-24-16-4-2-11(20)6-14(16)22)8-13(31(28,29)30)9-19(10)27-25-17-5-3-12(21)7-15(17)23;/h2-9H,20-23H2,1H3,(H,28,29,30);/q;+1/p-1/b26-24+,27-25+;