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Metamizole EP Impurity B

Metamizole EP Impurity B

Catalogue No.: VL105002
CAS No.: 83-07-8

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Name: Metamizole EP Impurity B
Catalogue No. VL105002
CAS No. 83-07-8
Molecular Formula C₁₁H₁₃N₃O
Molecular Weight 203.24
Status In-stock
IUPAC Name 4-Amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one; 1,2-Dihydro-1,5-dimethyl-2-phenyl-4-amino-3H-pyrazol-3-one
Synonyms 4-Aminophenazone
Description Metamizole EP Impurity B (CAS No: 83-07-8) or 4-aminophenazone derivatives have been studied to show anti-inflammatory, analgesic, and antipyretic. It is also an impurity in Metamizole. Metamizole produces synergistic rapid analgesic and spasmolytic action is used for the symptomatic treatment of intense pain accompanied by smooth muscle spasms.
References Murtaza, Shahzad, et al. “Synthesis and Biological Evaluation of Schiff Bases of 4-Aminophenazone as an Anti-Inflammatory, Analgesic and Antipyretic Agent.” Journal of Saudi Chemical Society, vol. 21, Jan. 2017, pp. S359–72, https://doi.org/10.1016/j.jscs.2014.04.003.

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