3-amino-4-hydroxy-N-(1-methylethyl)benzenesulphonamide, also known as acetaminophen or paracetamol, is a widely used over-the-counter analgesic and antipyretic drug. It is an organic compound with the chemical formula C8H9NO2S, featuring a benzene ring with a sulfonamide group, a hydroxyl group, and an amino group. This medication is effective in relieving mild to moderate pain, such as headaches, muscle aches, and menstrual cramps, as well as reducing fever. It is generally well-tolerated, but excessive consumption can lead to liver damage. Acetaminophen is available in various forms, including tablets, capsules, and liquid solutions, and is often combined with other medications to enhance its pain-relieving effects.
The CAS Registry Mumber 80-19-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 0 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 80-19: (4*8)+(3*0)+(2*1)+(1*9)=43 43 % 10 = 3 So 80-19-3 is a valid CAS Registry Number.
