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QA142000
Antipyrine;Propyphenazone EP Impurity A
Molecular Formula: C11H12N2O
Molecular Weight: 188.23
CAS No.: 60-80-0
QA142001
Antipyrine Impurity 1;Metamizole sodium EP Impurity A
Molecular Formula: C12H13N3O2
Molecular Weight: 231.25
CAS No.: 1672-58-8
QA142002
4-Hydroxyantipyrine
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
CAS No.: 1672-63-5
QA142003
Antipyrine Impurity 3
Molecular Formula: C13H15N3O2
Molecular Weight: 245.28
CAS No.: 1672-59-9
QA142004
4-Hydroxyantipyrine Sulfate
Molecular Formula: C11H12N2O5S
Molecular Weight: 284.29
CAS No.: 81416-56-0
QA142005
Antipyrine Impurity 5
Molecular Formula: C11H13N3O4S
Molecular Weight: 283.3
CAS No.: 1759-26-8
