189559-91-9 Usage
General Description
2,4-DIHYDRO-2-METHYL-5-(4-METHYLPHENYL)-3H-PYRAZOL-3-ONE, also known as Levetiracetam, is a medication used to treat epilepsy. It belongs to the class of drugs known as anticonvulsants, and works by affecting the transmission of nerve signals in the brain. Levetiracetam is specifically approved for the treatment of partial-onset seizures in adults and children over the age of 4, as well as for the treatment of myoclonic seizures in adults and adolescents. It is typically taken orally as a tablet or solution, and the dosing is adjusted based on the patient's age, weight, and the severity of their condition. Common side effects of Levetiracetam can include drowsiness, dizziness, and irritability, and patients should use caution when driving or operating machinery while taking this medication.
Check Digit Verification of cas no
The CAS Registry Mumber 189559-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,5 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189559-91:
(8*1)+(7*8)+(6*9)+(5*5)+(4*5)+(3*9)+(2*9)+(1*1)=209
209 % 10 = 9
So 189559-91-9 is a valid CAS Registry Number.