53891-22-8 Usage
General Description
3-amino-5-hydroxynaphthalene-2,7-disulphonic acid, sodium salt is a chemical compound that is commonly used as a pH indicator in analytical chemistry. It appears as a dark brown powder and is water-soluble. It is often employed in titration processes to determine the endpoint of a reaction, as it undergoes a color change from yellow to red depending on the acidity of the solution. Additionally, it is used in the production of dyes and pigments, as well as in the manufacturing of pharmaceuticals and photographic chemicals. 3-amino-5-hydroxynaphthalene-2,7-disulphonic acid, sodium salt is known for its ability to fluoresce under ultraviolet light and has been utilized in various fluorescent imaging applications.
Check Digit Verification of cas no
The CAS Registry Mumber 53891-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,9 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 53891-22:
(7*5)+(6*3)+(5*8)+(4*9)+(3*1)+(2*2)+(1*2)=138
138 % 10 = 8
So 53891-22-8 is a valid CAS Registry Number.
InChI:InChI=1/C10H9NO7S2.2Na/c11-8-4-7-5(2-10(8)20(16,17)18)1-6(3-9(7)12)19(13,14)15;;/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18);;/q;2*+1/p-2
