Promethiazine sulfoxide hydrochloride is a chemical compound derived from promethazine, an antihistamine drug commonly used to treat allergies, motion sickness, and nausea. It is formed when promethazine undergoes oxidation, resulting in the addition of an oxygen atom to the sulfur atom in the molecule, creating a sulfoxide group. The hydrochloride salt form of Promethiazine sulfoxide hydrochloride is obtained by combining promethiazine sulfoxide with hydrochloric acid, which enhances its solubility and stability. Promethiazine sulfoxide hydrochloride is used in pharmaceutical formulations to provide the therapeutic benefits of promethiazine, with the added advantage of improved chemical properties.
The CAS Registry Mumber 5306-81-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,0 and 6 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5306-81: (6*5)+(5*3)+(4*0)+(3*6)+(2*8)+(1*1)=80 80 % 10 = 0 So 5306-81-0 is a valid CAS Registry Number.