Rifaximin > Impurities > 9

Structure Compound Pricing
(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-25-(Acetyloxy)-6,21,23-trihydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-11-methylene-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,5,15(2H,11H)-trione
CS-T-64040 > Impurities

Molecular Formula : C43H49N3O11   Molecular Weight: 783.86   CAS Number: 1351775-04-6
Synonyms : Rifaximin Impurity A; Rifaximin Impurity 1
Parent API : Rifaximin
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(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-25-(Acetyloxy)-5,21,23-trihydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-11-methylene-2,7-(epoxypentadeca[1,11,13]trienimino)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,6,15(2H,11H)-trione
CS-T-64265 > Impurities

Molecular Formula : C43H49N3O11   Molecular Weight: 783.86   CAS Number: 1351775-03-5
Synonyms : Rifaximin Impurity B; Rifaximin Impurity 2
Parent API : Rifaximin
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Dehydro Rifaximin
CS-T-73193 > Impurities

Molecular Formula : C43H49N3O11   Molecular Weight: 783.86   CAS Number: 80621-76-7
Synonyms : [2S-(2R*,16Z,18E,20R*,21R*,22S*,23S*,24S*,25R*,26S*,27R*,28E)]-25-(Acetyloxy)-5,21,23-trihydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-6H-27-(epoxypentadeca[1,11,13]trienonitrilo)benzofuro[4,5-e]pyrido[1,2-a]benzimidazole-1,6,15(2H)-trione; Rifaximi????
Parent API : Rifaximin
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Desacetyl Rifaximin
CS-T-63098 > Impurities

Molecular Formula : C41H49N3O10   Molecular Weight: 743.84   CAS Number: 80621-88-1  
Parent API : Rifaximin
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Rifaximin EP Impurity D
CS-O-14278 > Impurities

Molecular Formula : C43H49N3O12   Molecular Weight: 799.88   CAS Number: NA
Synonyms : (7S,11S,12R,13S,14R,15S,16S,18S,19Z,21Z)‐ 2,15,18,36‐tetrahydroxy‐11‐methoxy‐ 3,7,12,14,16,18,22,30‐octamethyl‐6,17,23‐trioxo‐ 8,37‐dioxa‐24,27,33‐ triazahexacyclo[23.10.1.]heptatriaconta-1,3,5(35),9,19,21,25(36),26(34),28,30,32‐undecaen‐13‐yl acetate;rifaximin Y.
Parent API : Rifaximin
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Rifaximin EP Impurity H
CS-O-14279 > Impurities

Molecular Formula : C43H51N3O12   Molecular Weight: 801.88   CAS Number: NA
Synonyms : (7S,11S,12R,13S,14R,15R,16R,17S,18R,19Z,21Z)‐ 2,15,17,36‐tetrahydroxy‐22‐(hydroxymethyl)‐11‐ methoxy‐3,7,12,14,16,18,30‐heptamethyl‐6,23‐dioxo‐ 8,37‐dioxa‐24,27,33‐ triazahexacyclo[23.10.1.]heptatriaconta‐ 1,3,5(35),9,19,21,25(36),26(34),28,30,32‐undecaen‐13‐yl acetate;(16-desmethyl-16-(hydroxymethyl)rifaximin).
Parent API : Rifaximin
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Rifaximin EP Impurity B
CS-T-41832 > Impurities

Molecular Formula : C39H49NO14   Molecular Weight: 755.8   CAS Number: 13929-35-6
Synonyms : 2- {[(7S,9Z,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)- 13-(acetyloxy)-2,15,17,29-tetrahydroxy-11-methoxy- 3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30- dioxa-24-azatetracyclo[23.3.1.14,7.05,8]triaconta- 1(29),2,4,9,19,21,25,27-octaen-27-yl]oxy}acetic a
Parent API : Rifaximin
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Rifaximin EP Impurity A
CS-M-56831 > Impurities

Molecular Formula : C6H8N2   Molecular Weight: 108.14   CAS Number: 695-34-1
Synonyms : 2-Amino-4-methylpyridine.
Parent API : Rifaximin
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Rifamycin S
CS-O-02278 > Impurities

Molecular Formula : C37H45NO12   Molecular Weight: 695.75   CAS Number: 13553-79-2
Synonyms : (7S,9Z,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,8]triaconta- 1,3,5(28),9,19,21,25-heptaen-13-yl acetate
Parent API : Rifaximin
USD 30.00 / 10mg
USD 46.00 / 25mg
USD 68.00 / 50mg