71799-43-4 Usage
Preparation
2-(4-Aminophenylamino)-5-nitrobenzenesulfonic acid (2 Moore) diazo Coupled with resorcinol.
Properties and Applications
red light brown. Used for wool dyeing and printing and leather shading.
Check Digit Verification of cas no
The CAS Registry Mumber 71799-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,9 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71799-43:
(7*7)+(6*1)+(5*7)+(4*9)+(3*9)+(2*4)+(1*3)=164
164 % 10 = 4
So 71799-43-4 is a valid CAS Registry Number.
InChI:InChI=1/C30H22N8O12S2.2Na/c39-26-14-13-25(35-33-19-5-1-17(2-6-19)31-23-11-9-21(37(41)42)15-27(23)51(45,46)47)30(40)29(26)36-34-20-7-3-18(4-8-20)32-24-12-10-22(38(43)44)16-28(24)52(48,49)50;;/h1-16,31-32,39-40H,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2