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Current Position： > Product > Drug Impurities > Rifaximin
Rifaximin
Catalog No: PI20044000     Product Name: Rifaximin
CAS No:80621-81-4||Chemical Formula:C43H51N3O11||(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)5,6,21,23-Tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamet…
Rifaximin impurity D(EP)
Catalog No: PI20044004     Product Name: Rifaximin impurity D(EP)
CAS No:N/A||Chemical Formula:C43H49N3O11||Molecular Weight:783.87500 ||Exact Mass:783.33671||Rifaximin Y
Rifaximin impurity G(EP)
Catalog No: PI20044007     Product Name: Rifaximin impurity G(EP)
CAS No:80621-76-7||Chemical Formula:C43H49N3O11||Molecular Weight:783.87500||Exact Mass:783.33671|| (2S,7Z,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,21,23-…
Rifaximin impurity H(EP)
Catalog No: PI20044008     Product Name: Rifaximin impurity H(EP)
CAS No:N/A||Chemical Formula:C43H51N3O12||(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-tetrahydroxy-16-(hydroxymethyl)-27-methoxy-2,4,11,20,22,24,…
Rifaximin impurity A (EP)
Catalog No:      Product Name: Rifaximin impurity A (EP)
CAS No:695-34-1||Chemical Formula:C6H8N2||4-methylpyridin-2-amine
Rifaximin impurity B (EP)
Catalog No:      Product Name: Rifaximin impurity B (EP)
CAS No:13929-35-6||Chemical Formula:C39H49NO14||4-O-(Carboxymethyl)rifamycin; [(1,2-Dihydro-5,6,17,19,21-pentahydroxy-23- methoxy-2,4,12,16,18,20,22-heptamethyl…
Rifaximin impurity C (EP)
Catalog No:      Product Name: Rifaximin impurity C (EP)
CAS No:6998-60-3||Chemical Formula:C37H47NO12||[2S-(2R*,12Z,14E,16R*,17R*,18S*,19S*,20S*,21R*,22S*,23R*,24E)]-21-(Acetyloxy)-5,6,9,17,19-pentahydroxy-23-methoxy…
Rifaximin impurity E (EP)
Catalog No:      Product Name: Rifaximin impurity E (EP)
CAS No:13553-79-2||Chemical Formula:C37H45NO12||5,17,19,21-Tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho…
Rifaximin impurity F (EP)
Catalog No:      Product Name: Rifaximin impurity F (EP)
CAS No:14487-05-9||Chemical Formula:C39H47NO14||4-O-(Carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-rifamycin γ-Lactone (rifamycin O)
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