1-Acetamino-4-(α-hydroxy-α-phenylacetamino-acetyl)-benzol, also known as paracetamol or acetaminophen, is a widely used over-the-counter analgesic and antipyretic drug. It is an organic compound with the chemical formula C8H9NO2, featuring a benzene ring, an acetaminophen group, and an acetyl group. Paracetamol is effective in relieving mild to moderate pain, such as headaches, muscle aches, and menstrual cramps, as well as reducing fever. It works by inhibiting the production of prostaglandins, which are responsible for pain and fever. Paracetamol is generally safe when taken as directed, but excessive consumption can lead to liver damage. It is available in various forms, including tablets, capsules, and liquid suspensions, and is often combined with other medications to enhance its pain-relieving effects.
The CAS Registry Mumber 2187-22-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,8 and 7 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 2187-22: (6*2)+(5*1)+(4*8)+(3*7)+(2*2)+(1*2)=76 76 % 10 = 6 So 2187-22-6 is a valid CAS Registry Number.