139263-48-2 Usage
General Description
5-Hydroxypyridine-2-sulfonic acid is a chemical compound with the molecular formula C5H5NO5S. It is a derivative of pyridine and contains a hydroxyl group and a sulfonic acid group. 5-HYDROXYPYRIDINE-2-SULFONIC ACID is commonly used as a reagent in chemical synthesis, particularly in the production of pharmaceuticals, agrochemicals, and dyes. It is also used as a building block in the synthesis of complex organic molecules. 5-Hydroxypyridine-2-sulfonic acid has a variety of industrial applications and is an important intermediate in the chemical industry.
Check Digit Verification of cas no
The CAS Registry Mumber 139263-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,6 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139263-48:
(8*1)+(7*3)+(6*9)+(5*2)+(4*6)+(3*3)+(2*4)+(1*8)=142
142 % 10 = 2
So 139263-48-2 is a valid CAS Registry Number.
InChI:InChI=1/C5H5NO4S/c7-4-1-2-5(6-3-4)11(8,9)10/h1-3,7H,(H,8,9,10)