72639-29-3 Usage
General Description
Tetrasodium 7-[[4-[[(2,3-dichloro-6-quinoxalinyl)carbonyl]amino]-5-sulphonato-1-naphthyl]azo]naphthalene-1,3,5-trisulphonate is a complex chemical compound known for its vivid red color and is commonly used as a dye in various industries. It consists of a combination of naphthylamine, quinoxaline, and sulphonate groups, making it suitable for use as a colorant in food, pharmaceuticals, and cosmetics. The chemical's structure consists of three sulphonate groups attached to a naphthalene core, with a complex azo dye structure connected to a quinoxaline group. These properties make it useful for applications requiring a stable and vibrant red color.
Check Digit Verification of cas no
The CAS Registry Mumber 72639-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,3 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72639-29:
(7*7)+(6*2)+(5*6)+(4*3)+(3*9)+(2*2)+(1*9)=143
143 % 10 = 3
So 72639-29-3 is a valid CAS Registry Number.
InChI:InChI=1/C29H17Cl2N5O13S4.4Na/c30-27-28(31)33-22-8-13(4-5-20(22)32-27)29(37)34-21-7-6-19(16-2-1-3-23(26(16)21)51(41,42)43)36-35-14-9-17-18(24(10-14)52(44,45)46)11-15(50(38,39)40)12-25(17)53(47,48)49;;;;/h1-12H,(H,34,37)(H,38,39,40)(H,41,42,43)(H,44,45,46)(H,47,48,49);;;;/q;4*+1/p-4/b36-35+;;;;