2-amino-5-hydroxy-benzoic acid hydrochloride, also known as 5-hydroxyanthranilic acid hydrochloride, is a chemical compound with the molecular formula C7H7NO4·HCl. It is a white crystalline solid that is soluble in water and slightly soluble in ethanol. 2-amino-5-hydroxy-benzoic acid ; hydrochloride is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and dyes. It is used in the production of drugs such as antihistamines, anti-inflammatory agents, and antimicrobials. The hydrochloride salt form of the compound enhances its solubility and stability, making it more suitable for pharmaceutical applications.
The CAS Registry Mumber 2133-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,3 and 3 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 2133-03: (6*2)+(5*1)+(4*3)+(3*3)+(2*0)+(1*3)=41 41 % 10 = 1 So 2133-03-1 is a valid CAS Registry Number.