82944-37-4 Usage
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4,6-Trimethylbenzenamine condensation, and then the product (C.I. Acid Blue 129, C.I. 62058)sulfonated.
Properties and Applications
bright blue.
Check Digit Verification of cas no
The CAS Registry Mumber 82944-37-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,4 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82944-37:
(7*8)+(6*2)+(5*9)+(4*4)+(3*4)+(2*3)+(1*7)=154
154 % 10 = 4
So 82944-37-4 is a valid CAS Registry Number.
InChI:InChI=1/C23H20N2O8S2.Na/c1-10-8-11(2)23(35(31,32)33)12(3)20(10)25-15-9-16(34(28,29)30)19(24)18-17(15)21(26)13-6-4-5-7-14(13)22(18)27;/h4-9,25H,24H2,1-3H3,(H,28,29,30)(H,31,32,33);/q;+1/p-1