Rifaximin Impurities

Rifaximin Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Rifaximin, pharmacopeial and non-pharmacopeial Rifaximin impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Rifaximin impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Rifaximin-related products are thoroughly characterized. Rifaximin products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

25-Desacetyl Rifampicin

SZ CAT No:	: SZ-R027012
CAS No	: 16783-99-6
Mol.F.	: C41H56N4O11
Mol.Wt.	: 780.9
Inv. Status	: In Stock

25-Desacetyl Rifaximin

SZ CAT No:	: SZ-R027014
CAS No	: 80621-88-1
Mol.F.	: C41H49N3O10
Mol.Wt.	: 743.9
Inv. Status	: In Stock

Rifaximin

SZ CAT No:	: SZ-R027001
CAS No	: 80621-81-4
Mol.F.	: C43H51N3O11
Mol.Wt.	: 785.9
Inv. Status	: In Stock

Rifaximin EP Impurity A

SZ CAT No:	: SZ-R027002
CAS No	: 695-34-1
Mol.F.	: C6H8N2
Mol.Wt.	: 108.1
Inv. Status	: In Stock

Rifaximin EP Impurity C

SZ CAT No:	: SZ-R027004
CAS No	: 14897-39-3
Mol.F.	: C37H46NO12 : Na
Mol.Wt.	: 696.8 : 23.0
Inv. Status	: In Stock

Rifaximin EP Impurity E

SZ CAT No:	: SZ-R027006
CAS No	: 13553-79-2
Mol.F.	: C37H45NO12
Mol.Wt.	: 695.8
Inv. Status	: In Stock

Rifaximin EP Impurity F

SZ CAT No:	: SZ-R027007
CAS No	: 14487-05-9
Mol.F.	: C39H47NO14
Mol.Wt.	: 753.8
Inv. Status	: In Stock

Rifaximin EP Impurity G

SZ CAT No:	: SZ-R027008
CAS No	: 80621-76-7
Mol.F.	: C43H49N3O11
Mol.Wt.	: 783.9
Inv. Status	: In Stock

Rifaximin Impurity 1

SZ CAT No:	: SZ-R027010
CAS No	: 1351775-04-6
Mol.F.	: C43H49N3O11
Mol.Wt.	: 783.9
Inv. Status	: In Stock

Rifaximin Impurity 2

SZ CAT No:	: SZ-R027011
CAS No	: 1351775-03-5
Mol.F.	: C43H49N3O11
Mol.Wt.	: 783.9
Inv. Status	: In Stock

Rifaximin EP Impurity B

SZ CAT No:	: SZ-R027003
CAS No	: 13929-35-6
Mol.F.	: C39H49NO14
Mol.Wt.	: 755.8
Inv. Status	: Limited Stock

25-Desacetyl-21-acetyl rifampicin

SZ CAT No:	: SZ-R027013
CAS No	: NA
Mol.F.	: C44H60N4O11
Mol.Wt.	: 821.0
Inv. Status	: Custom Synthesis

Rifaximin 11-Desmethyl Impurity

SZ CAT No:	: SZ-R027017
CAS No	: 1316302-12-1
Mol.F.	: C42H49N3O11
Mol.Wt.	: 771.9
Inv. Status	: Custom Synthesis

Rifaximin EP Impurity D

SZ CAT No:	: SZ-R027005
CAS No	: NA
Mol.F.	: C43H49N3O12
Mol.Wt.	: 799.9
Inv. Status	: Custom Synthesis

Rifaximin EP Impurity D & H

SZ CAT No:	: SZ-R027015
CAS No	: NA
Mol.F.	: C43H49N3O12 : C43H51N3O12
Mol.Wt.	: 799.9 : 801.9
Inv. Status	: Custom Synthesis

Rifaximin EP Impurity H

SZ CAT No:	: SZ-R027009
CAS No	: 1210022-90-4
Mol.F.	: C43H51N3O12
Mol.Wt.	: 801.9
Inv. Status	: Custom Synthesis

Rifaximin Impurity 3

SZ CAT No:	: SZ-R027016
CAS No	: NA
Mol.F.	: C43H49N3O11
Mol.Wt.	: 783.9
Inv. Status	: Custom Synthesis

Stable Isotopes And Metabolites

Rifaximin D6

SZ CAT No:	: SZ-R027D01
CAS No	: 1262992-43-7
Mol.F.	: C43H45D6N3O11
Mol.Wt.	: 791.9
Inv. Status	: Custom Synthesis

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