Metamizole Impurity B (EP); 4-Aminoantipyrine
- CAS RN: 83-07-8
- Mol Formula: C11H13N3O
- Mol Weight: 203.25
Metamizole or dipyrone is an ampyrone sulfonate analgesic (pain reliever), antispasmodic (spasm reliever) and antipyretic (fever reducer) similar to paracetamol in that it has minimal anti-inflammatory effects and which is most commonly given orally or by injection to prevent and treat pain related to surgery or for the treatment of acute pain.
We have successfully synthesized the standards of the Metamizole. This will be of interest to pharmaceutical companies and analytical labs.